Supplemental Material, DS_10.1177_0022242919860802 - Gift Purchases as Catalysts for Strengthening Customer–Brand Relationships Andreas Eggert Lena Steinhoff Carina Witte 10.25384/SAGE.8851187.v1 https://sage.figshare.com/articles/journal_contribution/Supplemental_Material_DS_10_1177_0022242919860802_-_Gift_Purchases_as_Catalysts_for_Strengthening_Customer_Brand_Relationships/8851187 <p>Supplemental Material, DS_10.1177_0022242919860802 for Gift Purchases as Catalysts for Strengthening Customer–Brand Relationships by Andreas Eggert, Lena Steinhoff and Carina Witte in Journal of Marketing</p> 2019-07-09 12:00:00 gift giving gratitude propensity score matching public commitment relationship marketing