A. Eggert, I. Garnefeld, and L. Steinhoff, “Endowed Status in Hierarchical Loyalty Programs,” presented at the 2012 AMA Winter Marketing Educators’ Conference Proceedings, St. Petersburg, 2012.

A. Eggert, I. Garnefeld, and L. Steinhoff, “Identifying Valence as a Contingency Variable for the Primacy-Recency-Controversy,” presented at the 2011 AMA Winter Marketing Educators’ Conference Proceedings, Austin, 2011.

G. Hunter, I. Garnefeld, and L. Steinhoff, “Can Retailers Improve Loyalty by Empowering Consumers?,” presented at the 2011 AMA Winter Marketing Educators’ Conference Proceedings, Austin, 2011.