[{"user_id":"37953","title":"Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells","author":[{"last_name":"Tiessen","full_name":"Tiessen, Michelle","first_name":"Michelle"}],"department":[{"_id":"280"}],"status":"public","project":[{"name":"SFB 901: SFB 901","_id":"1"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"}],"date_created":"2023-03-22T08:03:35Z","_id":"43058","date_updated":"2023-03-22T08:03:50Z","supervisor":[{"full_name":"Hehenkamp, Burkhard","first_name":"Burkhard","id":"37339","last_name":"Hehenkamp"}],"language":[{"iso":"ger"}],"year":"2023","citation":{"bibtex":"@book{Tiessen_2023, title={Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells}, author={Tiessen, Michelle}, year={2023} }","mla":"Tiessen, Michelle. Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells. 2023.","chicago":"Tiessen, Michelle. Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells, 2023.","ama":"Tiessen M. Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells.; 2023.","apa":"Tiessen, M. (2023). Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells.","ieee":"M. Tiessen, Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells. 2023.","short":"M. Tiessen, Zur Effektivität des europäischen Kronzeugenprogramms - Der Fall des LKW-Kartells, 2023."},"type":"bachelorsthesis"},{"year":"2023","citation":{"bibtex":"@article{Brosig-Koch_Hehenkamp_Kokot_2023, title={Who benefits from quality competition in health care? A theory and a laboratory experiment on the relevance of patient characteristics}, DOI={10.1002/hec.4689}, journal={Health Economics}, author={Brosig-Koch, Jeannette and Hehenkamp, Burkhard and Kokot, Johanna}, year={2023} }","mla":"Brosig-Koch, Jeannette, et al. “Who Benefits from Quality Competition in Health Care? A Theory and a Laboratory Experiment on the Relevance of Patient Characteristics.” Health Economics, 2023, doi:10.1002/hec.4689.","chicago":"Brosig-Koch, Jeannette, Burkhard Hehenkamp, and Johanna Kokot. “Who Benefits from Quality Competition in Health Care? A Theory and a Laboratory Experiment on the Relevance of Patient Characteristics.” Health Economics, 2023. https://doi.org/10.1002/hec.4689.","ama":"Brosig-Koch J, Hehenkamp B, Kokot J. Who benefits from quality competition in health care? A theory and a laboratory experiment on the relevance of patient characteristics. Health Economics. Published online 2023. doi:10.1002/hec.4689","apa":"Brosig-Koch, J., Hehenkamp, B., & Kokot, J. (2023). Who benefits from quality competition in health care? A theory and a laboratory experiment on the relevance of patient characteristics. Health Economics. https://doi.org/10.1002/hec.4689","ieee":"J. Brosig-Koch, B. Hehenkamp, and J. Kokot, “Who benefits from quality competition in health care? A theory and a laboratory experiment on the relevance of patient characteristics,” Health Economics, 2023, doi: 10.1002/hec.4689.","short":"J. Brosig-Koch, B. Hehenkamp, J. Kokot, Health Economics (2023)."},"type":"journal_article","language":[{"iso":"eng"}],"_id":"44092","date_updated":"2023-04-20T17:16:14Z","doi":"10.1002/hec.4689","quality_controlled":"1","author":[{"last_name":"Brosig-Koch","first_name":"Jeannette","full_name":"Brosig-Koch, Jeannette"},{"last_name":"Hehenkamp","id":"37339","first_name":"Burkhard","full_name":"Hehenkamp, Burkhard"},{"full_name":"Kokot, Johanna","first_name":"Johanna","last_name":"Kokot"}],"department":[{"_id":"280"},{"_id":"475"}],"keyword":["physician competition","patient characteristics","heterogeneity in quality responses","fee-for-service","laboratory experiment"],"publication":"Health Economics","jel":["I11","D43","C91"],"status":"public","date_created":"2023-04-20T17:02:41Z","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"article_type":"original","abstract":[{"text":"We study how competition between physicians affects the provision of medical care. In\r\nour theoretical model, physicians are faced with a heterogeneous patient population, in which patients\r\nsystematically vary with regard to both their responsiveness to the provided quality of care and their\r\nstate of health. We test the behavioral predictions derived from this model in a controlled laboratory\r\nexperiment. In line with the model, we observe that competition significantly improves patient benefits\r\nas long as patients are able to respond to the quality provided. For those patients, who are not able\r\nto choose a physician, competition even decreases the patient benefit compared to a situation without\r\ncompetition. This decrease is in contrast to our theoretical prediction implying no change in benefits for\r\npassive patients. Deviations from patient-optimal treatment are highest for passive patients in need of\r\na low quantity of medical services. With repetition, both, the positive effects of competition for active\r\npatients as well as the negative effects of competition for passive patients become more pronounced. Our\r\nresults imply that competition can not only improve but also worsen patient outcome and that patients’\r\nresponsiveness to quality is decisive.","lang":"eng"}],"title":"Who benefits from quality competition in health care? A theory and a laboratory experiment on the relevance of patient characteristics","user_id":"37339"},{"type":"report","year":"2023","citation":{"chicago":"Hehenkamp, Burkhard, and Oddvar M. Kaarbøe. Price Regulation, Quality Competition and Location Choice with Costly Relocation, n.d.","apa":"Hehenkamp, B., & Kaarbøe, O. M. (n.d.). Price Regulation, Quality Competition and Location Choice with Costly Relocation.","ama":"Hehenkamp B, Kaarbøe OM. Price Regulation, Quality Competition and Location Choice with Costly Relocation.","bibtex":"@book{Hehenkamp_Kaarbøe, title={Price Regulation, Quality Competition and Location Choice with Costly Relocation}, author={Hehenkamp, Burkhard and Kaarbøe, Oddvar M.} }","mla":"Hehenkamp, Burkhard, and Oddvar M. Kaarbøe. Price Regulation, Quality Competition and Location Choice with Costly Relocation.","short":"B. Hehenkamp, O.M. Kaarbøe, Price Regulation, Quality Competition and Location Choice with Costly Relocation, n.d.","ieee":"B. Hehenkamp and O. M. Kaarbøe, Price Regulation, Quality Competition and Location Choice with Costly Relocation. ."},"language":[{"iso":"eng"}],"_id":"44093","date_updated":"2023-04-20T17:16:24Z","publication_status":"submitted","jel":["D43","L13","L51"],"date_created":"2023-04-20T17:12:18Z","project":[{"name":"SFB 901: SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"}],"status":"public","keyword":["Quality competition","Price regulation","Location choice","Product differentiation"],"department":[{"_id":"280"},{"_id":"475"}],"author":[{"full_name":"Hehenkamp, Burkhard","first_name":"Burkhard","id":"37339","last_name":"Hehenkamp"},{"first_name":"Oddvar M.","full_name":"Kaarbøe, Oddvar M.","last_name":"Kaarbøe"}],"title":"Price Regulation, Quality Competition and Location Choice with Costly Relocation","user_id":"37339","abstract":[{"text":"We consider a model where for-profit providers compete in quality in a price-regulated market that has been opened to competition, and where the incumbent is located at the center of the market, facing high costs of relocation. The model is relevant in markets such as public health care, education and schooling, or postal services. We find that, when the regulated price is low or intermediate, the entrant strategically locates towards the corner of the market to keep the incumbent at the low monopoly quality level. For a high price, the entrant locates at the corner of the market and both providers implement higher quality compared to a monopoly. In any case, the entrant implements higher quality than the incumbent provider. Social welfare is always higher in a duopoly if the cost of quality is low. For higher cost levels welfare is non-monotonic in the price and it can be optimal to the regulator not to use its entire budget. Therefore, the welfare effect of entry depends on the price and the size of the entry cost, and the regulator should condition the decision to allow entry on an assessment of the entry cost.","lang":"eng"}]},{"doi":"10.1016/j.enpol.2023.113742","date_updated":"2023-10-27T08:26:39Z","language":[{"iso":"eng"}],"title":"An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania","publication_status":"published","publication_identifier":{"issn":["0301-4215"]},"department":[{"_id":"280"}],"article_number":"113742","intvolume":" 182","_id":"48500","citation":{"apa":"Namujju, L. D., Acquah-Swanzy, H., & Ngoti, I. F. (2023). An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania. Energy Policy, 182, Article 113742. https://doi.org/10.1016/j.enpol.2023.113742","ama":"Namujju LD, Acquah-Swanzy H, Ngoti IF. An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania. Energy Policy. 2023;182. doi:10.1016/j.enpol.2023.113742","chicago":"Namujju, Lillian Donna, Henrietta Acquah-Swanzy, and Irene F. Ngoti. “An IAD Framework Analysis of Minigrid Institutions for Sustainable Rural Electrification in East Africa: A Comparative Study of Uganda and Tanzania.” Energy Policy 182 (2023). https://doi.org/10.1016/j.enpol.2023.113742.","bibtex":"@article{Namujju_Acquah-Swanzy_Ngoti_2023, title={An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania}, volume={182}, DOI={10.1016/j.enpol.2023.113742}, number={113742}, journal={Energy Policy}, publisher={Elsevier BV}, author={Namujju, Lillian Donna and Acquah-Swanzy, Henrietta and Ngoti, Irene F.}, year={2023} }","mla":"Namujju, Lillian Donna, et al. “An IAD Framework Analysis of Minigrid Institutions for Sustainable Rural Electrification in East Africa: A Comparative Study of Uganda and Tanzania.” Energy Policy, vol. 182, 113742, Elsevier BV, 2023, doi:10.1016/j.enpol.2023.113742.","short":"L.D. Namujju, H. Acquah-Swanzy, I.F. Ngoti, Energy Policy 182 (2023).","ieee":"L. D. Namujju, H. Acquah-Swanzy, and I. F. Ngoti, “An IAD framework analysis of minigrid institutions for sustainable rural electrification in East Africa: A comparative study of Uganda and Tanzania,” Energy Policy, vol. 182, Art. no. 113742, 2023, doi: 10.1016/j.enpol.2023.113742."},"year":"2023","type":"journal_article","user_id":"16148","date_created":"2023-10-27T07:28:32Z","status":"public","volume":182,"keyword":["Management","Monitoring","Policy and Law","General Energy"],"publication":"Energy Policy","author":[{"full_name":"Namujju, Lillian Donna","first_name":"Lillian Donna","last_name":"Namujju"},{"last_name":"Acquah-Swanzy","full_name":"Acquah-Swanzy, Henrietta","first_name":"Henrietta"},{"first_name":"Irene F.","full_name":"Ngoti, Irene F.","last_name":"Ngoti"}],"publisher":"Elsevier BV"},{"department":[{"_id":"280"},{"_id":"475"},{"_id":"179"}],"project":[{"name":"SFB 901: SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"},{"name":"SFB 901 - A4: SFB 901 - Subproject A4","_id":"8"}],"publication_identifier":{"issn":["2214-8043"]},"publication_status":"published","title":"Anonymity and Self-Expression in Online Rating Systems - An Experimental Analysis","language":[{"iso":"eng"}],"date_updated":"2022-03-21T06:07:39Z","doi":"10.1016/j.socec.2022.101869","publication":"Journal of Behavioral and Experimental Economics","keyword":["General Social Sciences","Economics and Econometrics","Applied Psychology"],"publisher":"Elsevier BV","author":[{"id":"42447","last_name":"Hoyer","full_name":"Hoyer, Britta","first_name":"Britta"},{"first_name":"Dirk","full_name":"van Straaten, Dirk","last_name":"van Straaten","id":"10311"}],"date_created":"2022-03-16T06:24:37Z","status":"public","volume":98,"user_id":"42447","main_file_link":[{"url":"https://www.sciencedirect.com/science/article/abs/pii/S2214804322000441"}],"page":"101869","citation":{"ieee":"B. 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Hoyer, D. van Straaten, Journal of Behavioral and Experimental Economics 98 (2022) 101869.","mla":"Hoyer, Britta, and Dirk van Straaten. “Anonymity and Self-Expression in Online Rating Systems - An Experimental Analysis.” Journal of Behavioral and Experimental Economics, vol. 98, Elsevier BV, 2022, p. 101869, doi:10.1016/j.socec.2022.101869.","bibtex":"@article{Hoyer_van Straaten_2022, title={Anonymity and Self-Expression in Online Rating Systems - An Experimental Analysis}, volume={98}, DOI={10.1016/j.socec.2022.101869}, journal={Journal of Behavioral and Experimental Economics}, publisher={Elsevier BV}, author={Hoyer, Britta and van Straaten, Dirk}, year={2022}, pages={101869} }","chicago":"Hoyer, Britta, and Dirk van Straaten. “Anonymity and Self-Expression in Online Rating Systems - An Experimental Analysis.” Journal of Behavioral and Experimental Economics 98 (2022): 101869. https://doi.org/10.1016/j.socec.2022.101869.","ama":"Hoyer B, van Straaten D. 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Journal of Behavioral and Experimental Economics, 98, 101869. https://doi.org/10.1016/j.socec.2022.101869"},"year":"2022","type":"journal_article","_id":"30341","intvolume":" 98"},{"extern":"1","title":"Network Disruption and the Common-Enemy Effect","user_id":"42447","publisher":"Springer","author":[{"full_name":"Hoyer, Britta","first_name":"Britta","id":"42447","last_name":"Hoyer"},{"last_name":"De Jaegher","full_name":"De Jaegher, Kris","first_name":"Kris"}],"publication":"International Journal of Game Theory","department":[{"_id":"280"},{"_id":"475"}],"publication_status":"epub_ahead","status":"public","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"date_created":"2022-06-14T15:33:35Z","_id":"31881","date_updated":"2022-12-04T14:40:38Z","doi":"10.1007/s00182-022-00812-5","type":"journal_article","citation":{"ieee":"B. Hoyer and K. 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International Journal of Game Theory. https://doi.org/10.1007/s00182-022-00812-5","chicago":"Hoyer, Britta, and Kris De Jaegher. “Network Disruption and the Common-Enemy Effect.” International Journal of Game Theory, 2022. https://doi.org/10.1007/s00182-022-00812-5."},"year":"2022","language":[{"iso":"eng"}]},{"title":"Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption","user_id":"15504","date_created":"2022-08-16T12:30:02Z","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"status":"public","department":[{"_id":"280"}],"author":[{"id":"48794","last_name":"Endres-Fröhlich","full_name":"Endres-Fröhlich, Angelika Elfriede","first_name":"Angelika Elfriede"}],"doi":"10.17619/UNIPB/1-1581","date_updated":"2022-09-06T13:23:07Z","_id":"32856","type":"dissertation","year":"2022","citation":{"ieee":"A. E. Endres-Fröhlich, Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption. 2022.","short":"A.E. Endres-Fröhlich, Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption, 2022.","bibtex":"@book{Endres-Fröhlich_2022, title={Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption}, DOI={10.17619/UNIPB/1-1581}, author={Endres-Fröhlich, Angelika Elfriede}, year={2022} }","mla":"Endres-Fröhlich, Angelika Elfriede. Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption. 2022, doi:10.17619/UNIPB/1-1581.","chicago":"Endres-Fröhlich, Angelika Elfriede. Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption, 2022. https://doi.org/10.17619/UNIPB/1-1581.","apa":"Endres-Fröhlich, A. E. (2022). Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption. https://doi.org/10.17619/UNIPB/1-1581","ama":"Endres-Fröhlich AE. Essays on Industrial Organization and Networks: Retail Bundling, Exclusive Dealing, and Network Disruption.; 2022. doi:10.17619/UNIPB/1-1581"},"language":[{"iso":"eng"}],"supervisor":[{"id":"37339","last_name":"Hehenkamp","full_name":"Hehenkamp, Burkhard","first_name":"Burkhard"}]},{"language":[{"iso":"ger"}],"supervisor":[{"last_name":"Hehenkamp","id":"37339","first_name":"Burkhard","full_name":"Hehenkamp, Burkhard"}],"type":"mastersthesis","year":"2022","citation":{"ieee":"S. Bas, Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines. 2022.","short":"S. Bas, Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines, 2022.","bibtex":"@book{Bas_2022, title={Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines}, author={Bas, Sahin}, year={2022} }","mla":"Bas, Sahin. Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines. 2022.","chicago":"Bas, Sahin. Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines, 2022.","apa":"Bas, S. (2022). Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines.","ama":"Bas S. Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines.; 2022."},"_id":"39963","date_updated":"2023-01-25T10:48:04Z","author":[{"last_name":"Bas","full_name":"Bas, Sahin","first_name":"Sahin"}],"department":[{"_id":"280"}],"status":"public","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"}],"date_created":"2023-01-25T10:46:56Z","user_id":"37953","title":"Die Luftfahrt zwischen Liberalisierung und Konsolidierung - eine wettbewerbspolitische Analyse von Low-Cost- und Networkairlines"},{"type":"bachelorsthesis","year":"2022","citation":{"ieee":"Y. Erdogan, Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann. 2022.","short":"Y. Erdogan, Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann, 2022.","mla":"Erdogan, Yeliz. Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann. 2022.","bibtex":"@book{Erdogan_2022, title={Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann}, author={Erdogan, Yeliz}, year={2022} }","chicago":"Erdogan, Yeliz. Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann, 2022.","apa":"Erdogan, Y. (2022). Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann.","ama":"Erdogan Y. Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser’s Tengelmann.; 2022."},"supervisor":[{"first_name":"Burkhard","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","id":"37339"}],"language":[{"iso":"ger"}],"date_updated":"2023-01-27T07:16:41Z","_id":"40464","department":[{"_id":"280"}],"author":[{"full_name":"Erdogan, Yeliz","first_name":"Yeliz","last_name":"Erdogan"}],"date_created":"2023-01-27T07:16:29Z","project":[{"name":"SFB 901: SFB 901","_id":"1"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"status":"public","title":"Unternehmenszusammenschlüsse von Supermärkten - eine wettbewerbspolitische Analyse am Beispiel von Edeka und Kaiser's Tengelmann","user_id":"37953"},{"supervisor":[{"id":"37339","last_name":"Hehenkamp","full_name":"Hehenkamp, Burkhard","first_name":"Burkhard"}],"language":[{"iso":"ger"}],"citation":{"ieee":"A. Perampalam, Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen. 2022.","short":"A. Perampalam, Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen, 2022.","bibtex":"@book{Perampalam_2022, title={Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen}, author={Perampalam, Abirame}, year={2022} }","mla":"Perampalam, Abirame. Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen. 2022.","chicago":"Perampalam, Abirame. Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen, 2022.","ama":"Perampalam A. Zum Potenzial von Kryptowährungen. Eine ökonomische Analyse zu den Chancen und Risiken digitaler Währungen.; 2022.","apa":"Perampalam, A. (2022). Zum Potenzial von Kryptowährungen. 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Two monopolistic manufacturers each produce a differentiated good. One sells it to both retailers, while the other only supplies a single retailer. Retailers compete in prices. Retail bundling is profitable when the goods are close substitutes. Only then is competition so intense that the retailer uses bundling to relax competition both within and across product markets, despite an aggravation of the double marginalization problem. Our asymmetric market structure arises endogenously for the case of close substitutes. In this case, bundling reduces social welfare."}],"type":"report","year":"2022","citation":{"short":"A.E. Endres-Fröhlich, B. Hehenkamp, J. Heinzel, The Impact of Product Differentiation on Retail Bundling in a Vertical Market, n.d.","ieee":"A. E. Endres-Fröhlich, B. Hehenkamp, and J. Heinzel, The Impact of Product Differentiation on Retail Bundling in a Vertical Market. .","ama":"Endres-Fröhlich AE, Hehenkamp B, Heinzel J. 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Hoyer, T. van Huizen, L. Keijzer, S. Rezaei, S. Rosenkranz, and B. Westbrock, “Gender, competitiveness, and task difficulty: Evidence from the field,” Labour Economics, 2020.","short":"B. Hoyer, T. van Huizen, L. Keijzer, S. Rezaei, S. Rosenkranz, B. Westbrock, Labour Economics (2020).","bibtex":"@article{Hoyer_van Huizen_Keijzer_Rezaei_Rosenkranz_Westbrock_2020, title={Gender, competitiveness, and task difficulty: Evidence from the field}, DOI={10.1016/j.labeco.2020.101815}, journal={Labour Economics}, author={Hoyer, Britta and van Huizen, Thomas and Keijzer, Linda and Rezaei, Sarah and Rosenkranz, Stephanie and Westbrock, Bastian }, year={2020} }","mla":"Hoyer, Britta, et al. “Gender, Competitiveness, and Task Difficulty: Evidence from the Field.” Labour Economics, 2020, doi:10.1016/j.labeco.2020.101815.","ama":"Hoyer B, van Huizen T, Keijzer L, Rezaei S, Rosenkranz S, Westbrock B. Gender, competitiveness, and task difficulty: Evidence from the field. Labour Economics. 2020. doi:10.1016/j.labeco.2020.101815","apa":"Hoyer, B., van Huizen, T., Keijzer, L., Rezaei, S., Rosenkranz, S., & Westbrock, B. (2020). Gender, competitiveness, and task difficulty: Evidence from the field. Labour Economics. https://doi.org/10.1016/j.labeco.2020.101815","chicago":"Hoyer, Britta, Thomas van Huizen, Linda Keijzer, Sarah Rezaei, Stephanie Rosenkranz, and Bastian Westbrock. “Gender, Competitiveness, and Task Difficulty: Evidence from the Field.” Labour Economics, 2020. https://doi.org/10.1016/j.labeco.2020.101815."},"year":"2020","type":"journal_article","language":[{"iso":"eng"}],"abstract":[{"text":"This study examines the gender gap in competitiveness in an educational setting\r\nand tests whether this gap depends on the difficulty of the task at hand. For this purpose,\r\nwe administered a series of experiments during the final exam of a university\r\ncourse. We confronted three cohorts of undergraduate students with a set of bonus\r\nquestions and the choice between an absolute and a tournament grading scheme\r\nfor these questions. To test the moderating impact of task difficulty, we (randomly)\r\nvaried the difficulty of the questions between treatment groups. We find that, on\r\naverage, women are significantly less likely to select the tournament scheme. However,\r\nthe results show that the gender gap in tournament entry is sizable when the\r\nquestions are relative easy, but much smaller and statistical insignificant when the\r\nquestions are difficult.","lang":"eng"}],"title":"Gender, competitiveness, and task difficulty: Evidence from the field","user_id":"42447","author":[{"last_name":"Hoyer","id":"42447","first_name":"Britta","full_name":"Hoyer, Britta"},{"full_name":"van Huizen, Thomas","first_name":"Thomas","last_name":"van Huizen"},{"last_name":"Keijzer","first_name":"Linda ","full_name":"Keijzer, Linda "},{"last_name":"Rezaei","full_name":"Rezaei, Sarah ","first_name":"Sarah "},{"first_name":"Stephanie","full_name":"Rosenkranz, Stephanie","last_name":"Rosenkranz"},{"last_name":"Westbrock","first_name":"Bastian ","full_name":"Westbrock, Bastian "}],"department":[{"_id":"280"},{"_id":"475"}],"publication":"Labour Economics","publication_status":"epub_ahead","status":"public","date_created":"2020-03-09T12:35:49Z"},{"doi":"10.1016/j.geb.2020.03.006","date_updated":"2022-01-06T06:52:49Z","language":[{"iso":"eng"}],"title":"Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse","publication_status":"published","project":[{"_id":"1","name":"SFB 901"},{"_id":"2","name":"SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"department":[{"_id":"280"},{"_id":"475"},{"_id":"205"},{"_id":"368"}],"_id":"16334","intvolume":" 121","year":"2020","type":"journal_article","citation":{"ieee":"B. Hoyer and N. Stroh-Maraun, “Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse,” Games and Economic Behavior, vol. 121, pp. 453–481, 2020.","short":"B. Hoyer, N. Stroh-Maraun, Games and Economic Behavior 121 (2020) 453–481.","mla":"Hoyer, Britta, and Nadja Stroh-Maraun. “Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse.” Games and Economic Behavior, vol. 121, 2020, pp. 453–81, doi:10.1016/j.geb.2020.03.006.","bibtex":"@article{Hoyer_Stroh-Maraun_2020, title={Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse}, volume={121}, DOI={10.1016/j.geb.2020.03.006}, journal={Games and Economic Behavior}, author={Hoyer, Britta and Stroh-Maraun, Nadja}, year={2020}, pages={453–481} }","chicago":"Hoyer, Britta, and Nadja Stroh-Maraun. “Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse.” Games and Economic Behavior 121 (2020): 453–81. https://doi.org/10.1016/j.geb.2020.03.006.","apa":"Hoyer, B., & Stroh-Maraun, N. (2020). Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse. Games and Economic Behavior, 121, 453–481. https://doi.org/10.1016/j.geb.2020.03.006","ama":"Hoyer B, Stroh-Maraun N. Matching Strategies of Heterogeneous Agents under Incomplete Information in a University Clearinghouse. Games and Economic Behavior. 2020;121:453-481. doi:10.1016/j.geb.2020.03.006"},"page":"453 - 481","user_id":"42447","article_type":"original","abstract":[{"lang":"eng","text":"We analyze the actual behavior of agents in a matching mechanism, using data from a clearinghouse at the Faculty of Business Administration and Economics at a German university, where a variant of the Boston mechanism is used. We supplement this data with data generated in a survey among the students who participated in the clearinghouse. We find that under the current mechanism over 74% of students act strategically by misrepresenting at least one of their preferences. Nevertheless, not all students are able to improve their outcome by doing so. We show that this is mainly due to the incomplete information of students and naiveté. Sophisticated students actually reach significantly better outcomes than naive students. Thus, we find evidence that naive students are exploited by sophisticated students in an incomplete information setting."}],"volume":121,"status":"public","date_created":"2020-03-24T08:05:53Z","author":[{"first_name":"Britta","full_name":"Hoyer, Britta","last_name":"Hoyer","id":"42447"},{"last_name":"Stroh-Maraun","id":"13264","first_name":"Nadja","full_name":"Stroh-Maraun, Nadja"}],"publication":"Games and Economic Behavior"},{"title":"Location Choice and Quality Competition in Mixed Hospital Markets","department":[{"_id":"280"},{"_id":"475"}],"project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"publication_identifier":{"unknown":["0167-2681"]},"publication_status":"accepted","date_updated":"2022-01-29T17:04:14Z","doi":"10.1016/j.jebo.2020.06.026","language":[{"iso":"eng"}],"abstract":[{"text":"Many countries have opened their health care markets to private for-profit providers, aiming to promote quality and choice for patients. The prices are regulated and providers compete in location and quality. We show that whereas opening a public hospital market typically raises quality, the private provider strategically locates towards the corner of the market to avoid costly quality competition. Social welfare depends on the size of the regulator's budget and on the altruism of the public provider. If the budget is large, high quality results and welfare is highest in a duopoly whenever entry is optimal. If the budget is small, quality levels in a duopoly mirror the quality level in a monopoly. It can be optimal for the regulator not to use the full budget.","lang":"eng"}],"article_type":"original","user_id":"37339","publication":"Journal of Economic Behavior & Organization","author":[{"last_name":"Hehenkamp","id":"37339","first_name":"Burkhard","full_name":"Hehenkamp, Burkhard"},{"full_name":"Kaarbøe, Odvar M. ","first_name":"Odvar M. ","last_name":"Kaarbøe"}],"date_created":"2020-07-01T07:50:45Z","status":"public","volume":177,"intvolume":" 177","_id":"17350","page":"641-660","citation":{"short":"B. Hehenkamp, O.M. Kaarbøe, Journal of Economic Behavior & Organization 177 (n.d.) 641–660.","ieee":"B. Hehenkamp and O. M. Kaarbøe, “Location Choice and Quality Competition in Mixed Hospital Markets,” Journal of Economic Behavior & Organization, vol. 177, pp. 641–660, doi: 10.1016/j.jebo.2020.06.026.","ama":"Hehenkamp B, Kaarbøe OM. Location Choice and Quality Competition in Mixed Hospital Markets. Journal of Economic Behavior & Organization. 177:641-660. doi:10.1016/j.jebo.2020.06.026","apa":"Hehenkamp, B., & Kaarbøe, O. M. (n.d.). Location Choice and Quality Competition in Mixed Hospital Markets. Journal of Economic Behavior & Organization, 177, 641–660. https://doi.org/10.1016/j.jebo.2020.06.026","chicago":"Hehenkamp, Burkhard, and Odvar M. Kaarbøe. “Location Choice and Quality Competition in Mixed Hospital Markets.” Journal of Economic Behavior & Organization 177 (n.d.): 641–60. https://doi.org/10.1016/j.jebo.2020.06.026.","mla":"Hehenkamp, Burkhard, and Odvar M. Kaarbøe. “Location Choice and Quality Competition in Mixed Hospital Markets.” Journal of Economic Behavior & Organization, vol. 177, pp. 641–60, doi:10.1016/j.jebo.2020.06.026.","bibtex":"@article{Hehenkamp_Kaarbøe, title={Location Choice and Quality Competition in Mixed Hospital Markets}, volume={177}, DOI={10.1016/j.jebo.2020.06.026}, journal={Journal of Economic Behavior & Organization}, author={Hehenkamp, Burkhard and Kaarbøe, Odvar M. }, pages={641–660} }"},"type":"journal_article","year":"2020"},{"user_id":"37953","title":"Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon","status":"public","project":[{"name":"SFB 901: SFB 901","_id":"1"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"}],"date_created":"2023-01-24T09:03:35Z","author":[{"last_name":"Niggemeyer","full_name":"Niggemeyer, Laura","first_name":"Laura"}],"department":[{"_id":"280"}],"date_updated":"2023-01-24T09:03:39Z","_id":"39070","supervisor":[{"last_name":"Hehenkamp","id":"37339","first_name":"Burkhard","full_name":"Hehenkamp, Burkhard"}],"language":[{"iso":"ger"}],"year":"2020","citation":{"short":"L. Niggemeyer, Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon, 2020.","ieee":"L. Niggemeyer, Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon. 2020.","ama":"Niggemeyer L. Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon.; 2020.","apa":"Niggemeyer, L. (2020). Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon.","chicago":"Niggemeyer, Laura. Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon, 2020.","mla":"Niggemeyer, Laura. Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon. 2020.","bibtex":"@book{Niggemeyer_2020, title={Marktmissbrauch in digitalen Märkten - eine wettbewerbspolitische Analyse mit Fallbeispielen von Google, Facebook und Amazon}, author={Niggemeyer, Laura}, year={2020} }"},"type":"mastersthesis"},{"type":"mastersthesis","citation":{"chicago":"Schlegel, Manuela. Challenges for Competition Policy in Data-Driven Mergers, 2020.","ama":"Schlegel M. Challenges for Competition Policy in Data-Driven Mergers.; 2020.","apa":"Schlegel, M. (2020). Challenges for Competition Policy in Data-Driven Mergers.","mla":"Schlegel, Manuela. Challenges for Competition Policy in Data-Driven Mergers. 2020.","bibtex":"@book{Schlegel_2020, title={Challenges for Competition Policy in Data-Driven Mergers}, author={Schlegel, Manuela}, year={2020} }","short":"M. Schlegel, Challenges for Competition Policy in Data-Driven Mergers, 2020.","ieee":"M. Schlegel, Challenges for Competition Policy in Data-Driven Mergers. 2020."},"year":"2020","language":[{"iso":"eng"}],"supervisor":[{"last_name":"Hehenkamp","id":"37339","first_name":"Burkhard","full_name":"Hehenkamp, Burkhard"}],"_id":"39072","date_updated":"2023-01-24T09:07:05Z","department":[{"_id":"280"}],"author":[{"full_name":"Schlegel, Manuela","first_name":"Manuela","last_name":"Schlegel"}],"date_created":"2023-01-24T09:06:56Z","project":[{"name":"SFB 901: SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"status":"public","title":"Challenges for Competition Policy in Data-Driven Mergers","user_id":"37953"},{"type":"bachelorsthesis","year":"2020","citation":{"short":"K. Neibert, Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook, 2020.","ieee":"K. Neibert, Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook. 2020.","apa":"Neibert, K. (2020). Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook.","ama":"Neibert K. Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook.; 2020.","chicago":"Neibert, Katharina. Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook, 2020.","mla":"Neibert, Katharina. Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook. 2020.","bibtex":"@book{Neibert_2020, title={Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook}, author={Neibert, Katharina}, year={2020} }"},"language":[{"iso":"ger"}],"supervisor":[{"first_name":"Burkhard","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","id":"37339"}],"date_updated":"2023-01-24T09:11:55Z","_id":"39079","author":[{"last_name":"Neibert","first_name":"Katharina","full_name":"Neibert, Katharina"}],"department":[{"_id":"280"}],"status":"public","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"date_created":"2023-01-24T09:11:48Z","title":"Marktmissbrauch in digitalen Märkten - Eine wettbewerbspolitische Analyse am Beispiel von Facebook","user_id":"37953"},{"supervisor":[{"id":"37339","last_name":"Hehenkamp","full_name":"Hehenkamp, Burkhard","first_name":"Burkhard"}],"language":[{"iso":"ger"}],"type":"bachelorsthesis","citation":{"ieee":"G. Naseri, Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company. 2020.","short":"G. Naseri, Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company, 2020.","bibtex":"@book{Naseri_2020, title={Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company}, author={Naseri, Gitti}, year={2020} }","mla":"Naseri, Gitti. Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company. 2020.","ama":"Naseri G. Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company.; 2020.","apa":"Naseri, G. (2020). Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company.","chicago":"Naseri, Gitti. Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company, 2020."},"year":"2020","_id":"39077","date_updated":"2023-01-24T09:10:17Z","status":"public","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"name":"SFB 901 - A3: SFB 901 - Subproject A3","_id":"7"}],"date_created":"2023-01-24T09:10:08Z","author":[{"last_name":"Naseri","first_name":"Gitti","full_name":"Naseri, Gitti"}],"department":[{"_id":"280"}],"user_id":"37953","title":"Zu den volkswirtschaftlichen Auswirkungen von Marktmacht am Fallbeispiel der Walt Disney Company"},{"supervisor":[{"first_name":"Burkhard","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","id":"37339"}],"language":[{"iso":"ger"}],"type":"mastersthesis","citation":{"ieee":"F. Laudage, Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi. 2020.","short":"F. Laudage, Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi, 2020.","bibtex":"@book{Laudage_2020, title={Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi}, author={Laudage, Felix}, year={2020} }","mla":"Laudage, Felix. Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi. 2020.","ama":"Laudage F. Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi.; 2020.","apa":"Laudage, F. (2020). Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi.","chicago":"Laudage, Felix. Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi, 2020."},"year":"2020","_id":"39073","date_updated":"2023-01-24T09:08:36Z","author":[{"full_name":"Laudage, Felix","first_name":"Felix","last_name":"Laudage"}],"department":[{"_id":"280"}],"status":"public","date_created":"2023-01-24T09:08:30Z","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"user_id":"37953","title":"Preisdifferenzierung im Online-Handel am Beispiel Amazon und Obi"},{"department":[{"_id":"280"}],"author":[{"first_name":"Lena","full_name":"Posmetni, Lena","last_name":"Posmetni"}],"project":[{"name":"SFB 901: SFB 901","_id":"1"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"date_created":"2023-01-24T09:14:03Z","status":"public","user_id":"37953","title":"Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung","language":[{"iso":"ger"}],"supervisor":[{"first_name":"Britta","full_name":"Hoyer, Britta","last_name":"Hoyer","id":"42447"}],"year":"2020","type":"mastersthesis","citation":{"short":"L. Posmetni, Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung, 2020.","ieee":"L. Posmetni, Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung. 2020.","chicago":"Posmetni, Lena. Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung, 2020.","ama":"Posmetni L. Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung.; 2020.","apa":"Posmetni, L. (2020). Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung.","bibtex":"@book{Posmetni_2020, title={Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung}, author={Posmetni, Lena}, year={2020} }","mla":"Posmetni, Lena. Zuordnung und Anreizkompatibilität - Eine experimentelle Untersuchung. 2020."},"date_updated":"2023-01-24T09:14:10Z","_id":"39081"},{"author":[{"full_name":"Hensel, Jason","first_name":"Jason","last_name":"Hensel"}],"department":[{"_id":"280"}],"status":"public","date_created":"2023-01-24T09:22:53Z","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"user_id":"37953","title":"Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon","supervisor":[{"id":"37339","last_name":"Hehenkamp","full_name":"Hehenkamp, Burkhard","first_name":"Burkhard"}],"language":[{"iso":"ger"}],"year":"2020","type":"bachelorsthesis","citation":{"short":"J. Hensel, Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon, 2020.","ieee":"J. Hensel, Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon. 2020.","chicago":"Hensel, Jason. Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon, 2020.","ama":"Hensel J. Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon.; 2020.","apa":"Hensel, J. (2020). Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon.","bibtex":"@book{Hensel_2020, title={Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon}, author={Hensel, Jason}, year={2020} }","mla":"Hensel, Jason. Auswirkungen der Preisdiskriminierung im Online Handel - Eine Wohlfahrtsanalyse am Beispiel von Amazon. 2020."},"date_updated":"2023-01-24T09:23:03Z","_id":"39346"},{"title":"Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten","user_id":"37953","department":[{"_id":"280"}],"author":[{"last_name":"Multani","full_name":"Multani, Manjinder Singh","first_name":"Manjinder Singh"}],"project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}],"date_created":"2023-01-24T09:26:04Z","status":"public","_id":"39347","date_updated":"2023-01-24T09:26:09Z","year":"2020","citation":{"bibtex":"@book{Multani_2020, title={Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten}, author={Multani, Manjinder Singh}, year={2020} }","mla":"Multani, Manjinder Singh. Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten. 2020.","ama":"Multani MS. Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten.; 2020.","apa":"Multani, M. S. (2020). Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten.","chicago":"Multani, Manjinder Singh. Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten, 2020.","ieee":"M. S. Multani, Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten. 2020.","short":"M.S. Multani, Zur Effizienzsteigerung durch Reputationsmechanismen auf digitalen Märkten, 2020."},"type":"bachelorsthesis","language":[{"iso":"ger"}],"supervisor":[{"first_name":"Burkhard","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","id":"37339"}]},{"date_updated":"2023-01-23T11:42:05Z","_id":"38098","type":"mastersthesis","year":"2020","citation":{"ama":"Bellouchi H. Information Asymmetry and the SEC Framework in Digital Markets - On the Role of Reputation Systems in Alleviating Buyers’ Skepticism and Inducing Their Willingness to Pay.; 2020.","apa":"Bellouchi, H. (2020). Information asymmetry and the SEC framework in digital markets - On the role of reputation systems in alleviating buyers’ skepticism and inducing their willingness to pay.","chicago":"Bellouchi, Houda. Information Asymmetry and the SEC Framework in Digital Markets - On the Role of Reputation Systems in Alleviating Buyers’ Skepticism and Inducing Their Willingness to Pay, 2020.","bibtex":"@book{Bellouchi_2020, title={Information asymmetry and the SEC framework in digital markets - On the role of reputation systems in alleviating buyers’ skepticism and inducing their willingness to pay}, author={Bellouchi, Houda}, year={2020} }","mla":"Bellouchi, Houda. Information Asymmetry and the SEC Framework in Digital Markets - On the Role of Reputation Systems in Alleviating Buyers’ Skepticism and Inducing Their Willingness to Pay. 2020.","short":"H. Bellouchi, Information Asymmetry and the SEC Framework in Digital Markets - On the Role of Reputation Systems in Alleviating Buyers’ Skepticism and Inducing Their Willingness to Pay, 2020.","ieee":"H. Bellouchi, Information asymmetry and the SEC framework in digital markets - On the role of reputation systems in alleviating buyers’ skepticism and inducing their willingness to pay. 2020."},"supervisor":[{"full_name":"Hehenkamp, Burkhard","first_name":"Burkhard","id":"37339","last_name":"Hehenkamp"}],"language":[{"iso":"eng"}],"title":"Information asymmetry and the SEC framework in digital markets - On the role of reputation systems in alleviating buyers' skepticism and inducing their willingness to pay","user_id":"37953","author":[{"full_name":"Bellouchi, Houda","first_name":"Houda","last_name":"Bellouchi"}],"department":[{"_id":"280"}],"status":"public","date_created":"2023-01-23T11:41:53Z","project":[{"_id":"1","name":"SFB 901: SFB 901"},{"name":"SFB 901 - A: SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - A3: SFB 901 - Subproject A3"}]},{"issue":"1","_id":"1139","intvolume":" 26","year":"2019","type":"journal_article","citation":{"short":"D. Kaimann, B. Hoyer, Applied Economics Letters 26 (2019) 54–57.","ieee":"D. Kaimann and B. Hoyer, “Price competition and the Bertrand model: The paradox of the German mobile discount market,” Applied Economics Letters, vol. 26, no. 1, pp. 54–57, 2019.","ama":"Kaimann D, Hoyer B. Price competition and the Bertrand model: The paradox of the German mobile discount market. Applied Economics Letters. 2019;26(1):54-57. doi:10.1080/13504851.2018.1436141","apa":"Kaimann, D., & Hoyer, B. (2019). Price competition and the Bertrand model: The paradox of the German mobile discount market. Applied Economics Letters, 26(1), 54–57. https://doi.org/10.1080/13504851.2018.1436141","chicago":"Kaimann, Daniel, and Britta Hoyer. “Price Competition and the Bertrand Model: The Paradox of the German Mobile Discount Market.” Applied Economics Letters 26, no. 1 (2019): 54–57. https://doi.org/10.1080/13504851.2018.1436141.","bibtex":"@article{Kaimann_Hoyer_2019, title={Price competition and the Bertrand model: The paradox of the German mobile discount market}, volume={26}, DOI={10.1080/13504851.2018.1436141}, number={1}, journal={Applied Economics Letters}, publisher={Taylor and Francis Online}, author={Kaimann, Daniel and Hoyer, Britta}, year={2019}, pages={54–57} }","mla":"Kaimann, Daniel, and Britta Hoyer. “Price Competition and the Bertrand Model: The Paradox of the German Mobile Discount Market.” Applied Economics Letters, vol. 26, no. 1, Taylor and Francis Online, 2019, pp. 54–57, doi:10.1080/13504851.2018.1436141."},"page":"54-57","main_file_link":[{"url":"http://www.tandfonline.com/doi/full/10.1080/13504851.2018.1436141"}],"user_id":"18949","ddc":["000"],"abstract":[{"text":"We investigate the degree of price competition among telecommunication firms. Underlying a Bertrand model of price competition, we empirically model pricing behaviour in an oligopoly. We analyse panel data of individual pricing information of mobile phone contracts offered between 2011 and 2017. We provide empirical evidence that price differences as well as reputational effects serve as a signal to buyers and significantly affect market demand. Additionally, we find that brands lead to an increase in demand and thus are able to generate spillover effects even after price increase.","lang":"eng"}],"status":"public","has_accepted_license":"1","date_created":"2018-01-31T08:34:35Z","volume":26,"file":[{"file_size":625230,"creator":"ups","file_id":"5307","date_updated":"2018-11-02T15:35:29Z","content_type":"application/pdf","relation":"main_file","success":1,"file_name":"KaimannHoyer.pdf","date_created":"2018-11-02T15:35:29Z","access_level":"closed"}],"publisher":"Taylor and Francis Online","author":[{"first_name":"Daniel","full_name":"Kaimann, Daniel","last_name":"Kaimann","id":"18949"},{"full_name":"Hoyer, Britta","first_name":"Britta","id":"42447","last_name":"Hoyer"}],"publication":"Applied Economics Letters","file_date_updated":"2018-11-02T15:35:29Z","doi":"10.1080/13504851.2018.1436141","date_updated":"2022-01-06T06:51:00Z","language":[{"iso":"eng"}],"title":"Price competition and the Bertrand model: The paradox of the German mobile discount market","project":[{"name":"SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - Subproject A3"},{"_id":"8","name":"SFB 901 - Subproject A4"},{"_id":"1","name":"SFB 901"}],"publication_status":"epub_ahead","department":[{"_id":"280"},{"_id":"183"},{"_id":"475"}]},{"abstract":[{"lang":"eng","text":"Social psychology studies the \"common enemy effect\", the phenomenon\r\nthat members of a group work together when they face an opponent, although they otherwise have little in common. An interesting scenario\r\nis the formation of an information network where group members individually sponsor costly links. Suppose that ceteris paribus, an outsider\r\nappears who aims to disrupt the information \r\nflow within the network\r\nby deleting some of the links. The question is how the group responds\r\nto this common enemy. We address this question for the homogeneous\r\nconnections model of strategic network formation, with two-way \r\nflow of\r\ninformation and without information decay. For sufficiently low linkage\r\ncosts, the external threat can lead to a more connected network, a positive\r\ncommon enemy effect. For very high but not prohibitively high linkage\r\ncosts, the equilibrium network can be minimally connected and efficient\r\nin the absence of the external threat whereas it is always empty and ineffi\fcient in the presence of the external threat, a negative common enemy\r\neffect. For intermediate linkage costs, both connected networks and the\r\nempty network are Nash for certain cost ranges."}],"user_id":"477","publication":"Journal of Economic Behavior & Organization","author":[{"first_name":"Britta","full_name":"Hoyer, Britta","last_name":"Hoyer","id":"42447"},{"first_name":"Hans","full_name":"Haller, Hans","last_name":"Haller"}],"volume":162,"date_created":"2018-04-06T07:59:01Z","status":"public","intvolume":" 162","_id":"2256","main_file_link":[{"url":"https://www.sciencedirect.com/science/article/pii/S0167268119300824"}],"page":"146-163","type":"journal_article","year":"2019","citation":{"bibtex":"@article{Hoyer_Haller_2019, title={The Common Enemy Effect under Strategic Network Formation and Disruption}, volume={162}, DOI={10.1016/j.jebo.2019.03.011}, journal={Journal of Economic Behavior & Organization}, author={Hoyer, Britta and Haller, Hans}, year={2019}, pages={146–163} }","mla":"Hoyer, Britta, and Hans Haller. “The Common Enemy Effect under Strategic Network Formation and Disruption.” Journal of Economic Behavior & Organization, vol. 162, 2019, pp. 146–63, doi:10.1016/j.jebo.2019.03.011.","apa":"Hoyer, B., & Haller, H. (2019). The Common Enemy Effect under Strategic Network Formation and Disruption. Journal of Economic Behavior & Organization, 162, 146–163. https://doi.org/10.1016/j.jebo.2019.03.011","ama":"Hoyer B, Haller H. The Common Enemy Effect under Strategic Network Formation and Disruption. Journal of Economic Behavior & Organization. 2019;162:146-163. doi:10.1016/j.jebo.2019.03.011","chicago":"Hoyer, Britta, and Hans Haller. “The Common Enemy Effect under Strategic Network Formation and Disruption.” Journal of Economic Behavior & Organization 162 (2019): 146–63. https://doi.org/10.1016/j.jebo.2019.03.011.","ieee":"B. Hoyer and H. Haller, “The Common Enemy Effect under Strategic Network Formation and Disruption,” Journal of Economic Behavior & Organization, vol. 162, pp. 146–163, 2019.","short":"B. Hoyer, H. Haller, Journal of Economic Behavior & Organization 162 (2019) 146–163."},"title":"The Common Enemy Effect under Strategic Network Formation and Disruption","department":[{"_id":"280"},{"_id":"475"}],"publication_status":"published","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Project Area A","_id":"2"},{"_id":"7","name":"SFB 901 - Subproject A3"}],"date_updated":"2022-01-06T06:55:36Z","doi":"10.1016/j.jebo.2019.03.011","language":[{"iso":"eng"}]},{"ddc":["330"],"user_id":"42447","abstract":[{"lang":"eng","text":"Models on network formation have often been extended to include the potential of network disruption in recent years. Whereas the theoretical research on network formation under the threat of disruption has thus gained prominence, hardly any experimental research exists so far. In this paper, we therefore experimentally study the emergence of networks including the aspect of a known external threat by relating theoretical predictions by Dzuibiński and Goyal (2013) to actual observed behaviour. We deal with the question if subjects in the role of a strategic Designer are able to form safe networks for least costs while facing a strategic Adversary who is going to attack their networks. Varying the costs for protecting nodes, we designed and tested two treatments with different predictions for the equilibrium network and investigated whether one of the least cost equilibrium networks was more likely to be reached. Furthermore, the influence of the subjects’ farsightedness on their decision-making process was elicited and analysed.\r\n\r\nWe find that while subjects are able to build safe networks in both treatments, equilibrium networks are only built in one of the two treatments. In the other treatment, predominantly safe networks are built but they are not for least costs. Additionally, we find that farsightedness –as measured in our experiment– has no influence on whether subjects are able to build safe or least cost equilibrium networks. Two robustness settings with a reduced external threat or more liberties to modify the initial networks qualitatively confirm our results. Overall, in this experiment observed behaviour is only partially in line with the theoretical predictions by Dzuibiński and Goyal (2013)."}],"article_type":"original","volume":157,"date_created":"2017-10-17T12:41:07Z","status":"public","has_accepted_license":"1","file_date_updated":"2018-11-19T07:39:42Z","publication":"Journal of Economic Behavior and Organization ","author":[{"first_name":"Angelika Elfriede","full_name":"Endres, Angelika Elfriede","last_name":"Endres","id":"48794"},{"last_name":"Recker","first_name":"Sonja","full_name":"Recker, Sonja"},{"full_name":"Mir Djawadi, Behnud","orcid":"0000-0002-6271-5912","first_name":"Behnud","id":"26032","last_name":"Mir Djawadi"},{"full_name":"Hoyer, Britta","first_name":"Britta","id":"42447","last_name":"Hoyer"}],"file":[{"access_level":"closed","file_name":"Publication Jebo.pdf","date_created":"2018-11-19T07:39:42Z","content_type":"application/pdf","date_updated":"2018-11-19T07:39:42Z","relation":"main_file","file_size":1569991,"file_id":"5723","creator":"bhoyer"}],"_id":"80","intvolume":" 157","page":"708-734","type":"journal_article","year":"2019","citation":{"short":"A.E. Endres, S. Recker, B. Mir Djawadi, B. Hoyer, Journal of Economic Behavior and Organization 157 (2019) 708–734.","ieee":"A. E. Endres, S. Recker, B. Mir Djawadi, and B. Hoyer, “Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?,” Journal of Economic Behavior and Organization , vol. 157, pp. 708–734, 2019.","chicago":"Endres, Angelika Elfriede, Sonja Recker, Behnud Mir Djawadi, and Britta Hoyer. “Network Formation and Disruption - An Experiment: Are Equilibrium Networks Too Complex?” Journal of Economic Behavior and Organization 157 (2019): 708–34. https://doi.org/10.1016/j.jebo.2018.11.004.","apa":"Endres, A. E., Recker, S., Mir Djawadi, B., & Hoyer, B. (2019). Network Formation and Disruption - An Experiment: Are equilibrium networks too complex? Journal of Economic Behavior and Organization , 157, 708–734. https://doi.org/10.1016/j.jebo.2018.11.004","ama":"Endres AE, Recker S, Mir Djawadi B, Hoyer B. Network Formation and Disruption - An Experiment: Are equilibrium networks too complex? Journal of Economic Behavior and Organization . 2019;157:708-734. doi:10.1016/j.jebo.2018.11.004","mla":"Endres, Angelika Elfriede, et al. “Network Formation and Disruption - An Experiment: Are Equilibrium Networks Too Complex?” Journal of Economic Behavior and Organization , vol. 157, 2019, pp. 708–34, doi:10.1016/j.jebo.2018.11.004.","bibtex":"@article{Endres_Recker_Mir Djawadi_Hoyer_2019, title={Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?}, volume={157}, DOI={10.1016/j.jebo.2018.11.004}, journal={Journal of Economic Behavior and Organization }, author={Endres, Angelika Elfriede and Recker, Sonja and Mir Djawadi, Behnud and Hoyer, Britta}, year={2019}, pages={708–734} }"},"title":"Network Formation and Disruption - An Experiment: Are equilibrium networks too complex?","publication_status":"epub_ahead","project":[{"_id":"1","name":"SFB 901"},{"name":"SFB 901 - Subprojekt A3","_id":"7"},{"_id":"8","name":"SFB 901 - Subprojekt A4"},{"_id":"2","name":"SFB 901 - Project Area A"}],"department":[{"_id":"280"},{"_id":"179"},{"_id":"204"},{"_id":"475"}],"doi":"10.1016/j.jebo.2018.11.004","date_updated":"2022-01-06T07:03:49Z","language":[{"iso":"eng"}]}]