@inproceedingsEggert_Garnefeld_Steinhoff_2012, title=Endowed Status in Hierarchical Loyalty Programs, booktitle=2012 AMA Winter Marketing Educators’ Conference Proceedings, St. Petersburg, author=Eggert, A. and Garnefeld, I. and Steinhoff, Lena, year=2012 

@inproceedingsEggert_Garnefeld_Steinhoff_2011, title=Identifying Valence as a Contingency Variable for the Primacy-Recency-Controversy, booktitle=2011 AMA Winter Marketing Educators’ Conference Proceedings, Austin, author=Eggert, A. and Garnefeld, I. and Steinhoff, Lena, year=2011 

@inproceedingsHunter_Garnefeld_Steinhoff_2011, title=Can Retailers Improve Loyalty by Empowering Consumers?, booktitle=2011 AMA Winter Marketing Educators’ Conference Proceedings, Austin, author=Hunter, G. and Garnefeld, I. and Steinhoff, Lena, year=2011