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Our explanatory models can explain up to 77% of the variation in brand valuations across all clubs and seasons, while our predictive approach can predict out-of-sample observations with a mean absolute percentage error (MAPE) of 14%. Future research can build upon our results to develop domain-specific brand valuation methods while enabling managers to make better-informed investment decisions.","lang":"eng"}],"main_file_link":[{"url":"https://aisel.aisnet.org/amcis2022/conf_theme/conf_theme/10/"}],"_id":"41486","language":[{"iso":"eng"}],"user_id":"60721","year":"2022","title":"Towards a Reliable & Transparent Approach to Data-Driven Brand Valuation","status":"public","conference":{"end_date":"2022-08-14","location":"Minneapolis, USA","name":"28th Americas Conference on Information Systems (AMCIS)","start_date":"2022-08-10"},"author":[{"full_name":"Caron, Matthew","first_name":"Matthew","last_name":"Caron","id":"60721"},{"id":"49160","full_name":"Bartelheimer, Christian","last_name":"Bartelheimer","first_name":"Christian"},{"full_name":"Müller, Oliver","last_name":"Müller","first_name":"Oliver","id":"72849"}],"date_updated":"2023-02-28T08:59:38Z","publication_status":"published"},{"_id":"42948","language":[{"iso":"ger"}],"user_id":"37953","status":"public","title":"Der Marktplatz von Amazon - Eine wettbewerbspolitische Analyse","year":"2022","author":[{"full_name":"Kuzuoglu, Muhammed Numan","first_name":"Muhammed Numan","last_name":"Kuzuoglu"}],"date_updated":"2023-03-10T10:38:15Z","date_created":"2023-03-10T10:38:02Z","type":"bachelorsthesis","department":[{"_id":"280"}],"supervisor":[{"id":"37339","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","first_name":"Burkhard"}],"citation":{"mla":"Kuzuoglu, Muhammed Numan. <i>Der Marktplatz von Amazon - Eine wettbewerbspolitische Analyse</i>. 2022.","ama":"Kuzuoglu MN. <i>Der Marktplatz von Amazon - Eine wettbewerbspolitische Analyse</i>.; 2022.","bibtex":"@book{Kuzuoglu_2022, title={Der Marktplatz von Amazon - Eine wettbewerbspolitische Analyse}, author={Kuzuoglu, Muhammed Numan}, year={2022} }","apa":"Kuzuoglu, M. 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(2022). <i>An Economic Analysis of Mergers and Aquisitions - The case of Facebook and WhatsApp</i>."},"supervisor":[{"first_name":"Burkhard","last_name":"Hehenkamp","full_name":"Hehenkamp, Burkhard","id":"37339"}],"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":"2023-03-22T08:05:40Z","type":"bachelorsthesis","department":[{"_id":"280"}],"status":"public","year":"2022","title":"An Economic Analysis of Mergers and Aquisitions - The case of Facebook and WhatsApp","author":[{"full_name":"Yeboah, Amoabeng","first_name":"Amoabeng","last_name":"Yeboah"}],"date_updated":"2023-03-22T08:05:52Z","language":[{"iso":"eng"}],"_id":"43059","user_id":"37953"},{"status":"public","title":"Zu Online-Vergleichsportalen und deren Auswirkungen auf den Markt - Eine wettbewerbspolitische Analyse","year":"2022","author":[{"last_name":"Hensel","first_name":"Jason","full_name":"Hensel, Jason"}],"date_updated":"2023-03-10T10:02:56Z","language":[{"iso":"ger"}],"_id":"42947","user_id":"37953","citation":{"ieee":"J. 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Meydani, C. Düsing, A. Fedrau, and M. Trier, “The ‘black box’ of social commerce platforms-a closer look at users’ activities,” 2022.","apa":"Meydani, E., Düsing, C., Fedrau, A., &#38; Trier, M. (2022). <i>The “black box” of social commerce platforms-a closer look at users’ activities</i>.","short":"E. Meydani, C. Düsing, A. Fedrau, M. Trier, in: 2022.","chicago":"Meydani, Elnaz, Christoph Düsing, Annamaria Fedrau, and Matthias Trier. “The ‘Black Box’ of Social Commerce Platforms-a Closer Look at Users’ Activities,” 2022.","mla":"Meydani, Elnaz, et al. <i>The “Black Box” of Social Commerce Platforms-a Closer Look at Users’ Activities</i>. 2022.","bibtex":"@inproceedings{Meydani_Düsing_Fedrau_Trier_2022, title={The “black box” of social commerce platforms-a closer look at users’ activities}, author={Meydani, Elnaz and Düsing, Christoph and Fedrau, Annamaria and Trier, Matthias}, year={2022} }","ama":"Meydani E, Düsing C, Fedrau A, Trier M. The “black box” of social commerce platforms-a closer look at users’ activities. In: ; 2022."},"type":"conference","department":[{"_id":"198"}],"date_created":"2023-04-20T08:49:54Z"},{"citation":{"apa":"Endres-Fröhlich, A. E., Hehenkamp, B., &#38; Heinzel, J. (n.d.). <i>The Impact of Product Differentiation on Retail Bundling in a Vertical Market</i>.","ieee":"A. E. Endres-Fröhlich, B. Hehenkamp, and J. Heinzel, <i>The Impact of Product Differentiation on Retail Bundling in a Vertical Market</i>. .","chicago":"Endres-Fröhlich, Angelika Elfriede, Burkhard Hehenkamp, and Joachim Heinzel. <i>The Impact of Product Differentiation on Retail Bundling in a Vertical Market</i>, n.d.","short":"A.E. Endres-Fröhlich, B. Hehenkamp, J. Heinzel, The Impact of Product Differentiation on Retail Bundling in a Vertical Market, n.d.","mla":"Endres-Fröhlich, Angelika Elfriede, et al. <i>The Impact of Product Differentiation on Retail Bundling in a Vertical Market</i>.","ama":"Endres-Fröhlich AE, Hehenkamp B, Heinzel J. <i>The Impact of Product Differentiation on Retail Bundling in a Vertical Market</i>.","bibtex":"@book{Endres-Fröhlich_Hehenkamp_Heinzel, title={The Impact of Product Differentiation on Retail Bundling in a Vertical Market}, author={Endres-Fröhlich, Angelika Elfriede and Hehenkamp, Burkhard and Heinzel, Joachim} }"},"abstract":[{"lang":"eng","text":"We study the effects of product differentiation on the bundling incentives of a two-product retailer. 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."}],"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":"2023-04-20T16:21:28Z","keyword":["Retail bundling","upstream market power","double marginalization","product differentiation"],"type":"report","department":[{"_id":"280"},{"_id":"475"}],"status":"public","title":"The Impact of Product Differentiation on Retail Bundling in a Vertical Market","year":"2022","author":[{"id":"48794","first_name":"Angelika Elfriede","last_name":"Endres-Fröhlich","full_name":"Endres-Fröhlich, Angelika Elfriede"},{"id":"37339","full_name":"Hehenkamp, Burkhard","last_name":"Hehenkamp","first_name":"Burkhard"},{"last_name":"Heinzel","first_name":"Joachim","full_name":"Heinzel, Joachim"}],"jel":["D43","L13","L42"],"publication_status":"draft","date_updated":"2023-04-20T17:15:48Z","page":"43","language":[{"iso":"eng"}],"_id":"44091","user_id":"37339"},{"date_created":"2023-02-22T11:45:26Z","type":"bachelorsthesis","department":[{"_id":"204"},{"_id":"205"},{"_id":"475"},{"_id":"200"}],"supervisor":[{"id":"20801","first_name":"Claus-Jochen","last_name":"Haake","full_name":"Haake, Claus-Jochen"}],"citation":{"ama":"N. N. <i>Manipulation durch Fake-Bewertungen: Einfluss von Such- und Erfahrungsgütern auf das manipulative Verhalten des Verkäufers</i>. Universität Paderborn; 2022.","bibtex":"@book{N._2022, title={Manipulation durch Fake-Bewertungen: Einfluss von Such- und Erfahrungsgütern auf das manipulative Verhalten des Verkäufers}, publisher={Universität Paderborn}, author={N., N.}, year={2022} }","mla":"N., N. <i>Manipulation durch Fake-Bewertungen: Einfluss von Such- und Erfahrungsgütern auf das manipulative Verhalten des Verkäufers</i>. Universität Paderborn, 2022.","short":"N. N., Manipulation durch Fake-Bewertungen: Einfluss von Such- und Erfahrungsgütern auf das manipulative Verhalten des Verkäufers, Universität Paderborn, 2022.","chicago":"N., N. <i>Manipulation durch Fake-Bewertungen: Einfluss von Such- und Erfahrungsgütern auf das manipulative Verhalten des Verkäufers</i>. Universität Paderborn, 2022.","apa":"N., N. 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(2022). <i>Effect of the Agent’s bargaining positions in the efficiency of matching markets</i>. Universität Paderborn.","short":"N. N., Effect of the Agent’s Bargaining Positions in the Efficiency of Matching Markets, Universität Paderborn, 2022.","chicago":"N., N. <i>Effect of the Agent’s Bargaining Positions in the Efficiency of Matching Markets</i>. Universität Paderborn, 2022.","mla":"N., N. <i>Effect of the Agent’s Bargaining Positions in the Efficiency of Matching Markets</i>. Universität Paderborn, 2022.","bibtex":"@book{N._2022, title={Effect of the Agent’s bargaining positions in the efficiency of matching markets}, publisher={Universität Paderborn}, author={N., N.}, year={2022} }","ama":"N. N. <i>Effect of the Agent’s Bargaining Positions in the Efficiency of Matching Markets</i>. Universität Paderborn; 2022."},"supervisor":[{"full_name":"Duman, Papatya","last_name":"Duman","first_name":"Papatya","id":"72752"}],"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"}],"_id":"42319","publisher":"Universität Paderborn","language":[{"iso":"eng"}],"user_id":"477","author":[{"last_name":"N.","first_name":"N.","full_name":"N., N."}],"year":"2022","status":"public","title":"Effect of the Agent's bargaining positions in the efficiency of matching markets","date_updated":"2023-05-23T12:43:03Z"},{"status":"public","title":"Stabile Zuordnung mit Paaren - Der neue NRMP Algorithmus","year":"2022","author":[{"last_name":"N.","first_name":"N.","full_name":"N., N."}],"date_updated":"2023-05-23T12:42:53Z","language":[{"iso":"ger"}],"_id":"42323","publisher":"Universität Paderborn","user_id":"477","supervisor":[{"last_name":"Stroh-Maraun","first_name":"Nadja","full_name":"Stroh-Maraun, Nadja","id":"13264"}],"citation":{"mla":"N., N. <i>Stabile Zuordnung mit Paaren - Der neue NRMP Algorithmus</i>. 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Universität Paderborn; 2022.","bibtex":"@book{N._2022, title={School choice with reserves and quotas}, publisher={Universität Paderborn}, author={N., N.}, year={2022} }"},"supervisor":[{"full_name":"Duman, Papatya","last_name":"Duman","first_name":"Papatya","id":"72752"}],"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"}],"date_created":"2023-02-22T11:35:21Z","department":[{"_id":"204"},{"_id":"205"},{"_id":"475"},{"_id":"200"}],"type":"mastersthesis","author":[{"full_name":"N., N.","last_name":"N.","first_name":"N."}],"title":"School choice with reserves and quotas","year":"2022","status":"public","date_updated":"2023-05-23T12:43:46Z","language":[{"iso":"eng"}],"_id":"42320","publisher":"Universität Paderborn","user_id":"477"},{"department":[{"_id":"204"},{"_id":"205"},{"_id":"475"},{"_id":"200"}],"type":"mastersthesis","date_created":"2023-02-22T11:42:32Z","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"}],"citation":{"mla":"N., N. <i>Organisation von Zeitbörsen</i>. Universität Paderborn, 2022.","bibtex":"@book{N._2022, title={Organisation von Zeitbörsen}, publisher={Universität Paderborn}, author={N., N.}, year={2022} }","ama":"N. N. <i>Organisation von Zeitbörsen</i>. Universität Paderborn; 2022.","ieee":"N. N., <i>Organisation von Zeitbörsen</i>. Universität Paderborn, 2022.","apa":"N., N. (2022). <i>Organisation von Zeitbörsen</i>. Universität Paderborn.","short":"N. N., Organisation von Zeitbörsen, Universität Paderborn, 2022.","chicago":"N., N. <i>Organisation von Zeitbörsen</i>. Universität Paderborn, 2022."},"supervisor":[{"first_name":"Claus-Jochen","last_name":"Haake","full_name":"Haake, Claus-Jochen","id":"20801"}],"user_id":"477","publisher":"Universität Paderborn","_id":"42325","language":[{"iso":"ger"}],"date_updated":"2023-05-23T12:43:29Z","author":[{"full_name":"N., N.","last_name":"N.","first_name":"N."}],"title":"Organisation von Zeitbörsen","year":"2022","status":"public"},{"department":[{"_id":"205"},{"_id":"475"}],"keyword":["Labour market negotiations","efficient bargains","Nash bargaining solution","sequential bargaining","restricted bargaining games"],"type":"journal_article","date_created":"2022-04-22T14:10:44Z","abstract":[{"lang":"eng","text":"We analyse the two-dimensional Nash bargaining solution (NBS) by deploying\r\nthe standard labour market negotiations model of McDonald and Solow (1981).\r\nWe show that the two-dimensional bargaining problem can be decomposed into two\r\none-dimensional problems, such that the two solutions together replicate the solution\r\nof the two-dimensional problem if the NBS is applied.  The axiom of\r\nIndependence of Irrelevant Alternatives is shown to be crucial for this type\r\nof decomposability.  This result has significant implications for actual\r\nnegotiations because it allows for the decomposition of a multi-dimensional bargaining\r\nproblem into one-dimensional problems---and thus helps to facilitate real-world\r\nnegotiations."}],"issue":"2","publication":"Scandinavian Journal of Economics","doi":"https://doi.org/10.1111/sjoe.12518","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://onlinelibrary.wiley.com/doi/10.1111/sjoe.12518"}],"intvolume":"       125","article_type":"original","date_updated":"2023-06-08T16:42:31Z","publication_status":"published","publication_identifier":{"eissn":["0347-0520"]},"author":[{"full_name":"Haake, Claus-Jochen","last_name":"Haake","first_name":"Claus-Jochen","id":"20801"},{"full_name":"Upmann, Thorsten","last_name":"Upmann","first_name":"Thorsten"},{"id":"72752","last_name":"Duman","first_name":"Papatya","full_name":"Duman, Papatya"}],"title":"Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining","year":"2022","project":[{"_id":"7","grant_number":"160364472","name":"SFB 901 - A3: SFB 901 - Subproject A3"},{"_id":"2","name":"SFB 901 - A: SFB 901 - Project Area A"},{"grant_number":"160364472","_id":"1","name":"SFB 901: SFB 901"}],"quality_controlled":"1","citation":{"ama":"Haake C-J, Upmann T, Duman P. Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining. <i>Scandinavian Journal of Economics</i>. 2022;125(2):403-440. doi:<a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>","bibtex":"@article{Haake_Upmann_Duman_2022, title={Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining}, volume={125}, DOI={<a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>}, number={2}, journal={Scandinavian Journal of Economics}, publisher={Wiley}, author={Haake, Claus-Jochen and Upmann, Thorsten and Duman, Papatya}, year={2022}, pages={403–440} }","mla":"Haake, Claus-Jochen, et al. “Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining.” <i>Scandinavian Journal of Economics</i>, vol. 125, no. 2, Wiley, 2022, pp. 403–40, doi:<a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>.","chicago":"Haake, Claus-Jochen, Thorsten Upmann, and Papatya Duman. “Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining.” <i>Scandinavian Journal of Economics</i> 125, no. 2 (2022): 403–40. <a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>.","short":"C.-J. Haake, T. Upmann, P. Duman, Scandinavian Journal of Economics 125 (2022) 403–440.","apa":"Haake, C.-J., Upmann, T., &#38; Duman, P. (2022). Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining. <i>Scandinavian Journal of Economics</i>, <i>125</i>(2), 403–440. <a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>","ieee":"C.-J. Haake, T. Upmann, and P. Duman, “Wage Bargaining and Employment Revisited: Separability and Efficiency in Collective Bargaining,” <i>Scandinavian Journal of Economics</i>, vol. 125, no. 2, pp. 403–440, 2022, doi: <a href=\"https://doi.org/10.1111/sjoe.12518\">https://doi.org/10.1111/sjoe.12518</a>."},"volume":125,"ddc":["330"],"user_id":"20801","_id":"30940","publisher":"Wiley","funded_apc":"1","page":"403-440","has_accepted_license":"1","jel":["J52","J41","C78"],"status":"public"}]