Geschenkekäufe als Instrument des Kundenbeziehungsmarketings
C. Witte, Geschenkekäufe als Instrument des Kundenbeziehungsmarketings, 2019.

Gift Purchases as Catalysts for Strengthening Customer–Brand Relationships
A. Eggert, L. Steinhoff, C. Witte, Journal of Marketing 83 (2019) 115–132.

Mixed Effects of Company-Initiated Customer Engagement on Customer Loyalty: The Contingency Role of Service Category Involvement
L. Steinhoff, C. Witte, A. Eggert, Journal of Service Management Research 2 (2018) 22–35.

Are Gift Purchases an Effective Driver of Customer Loyalty?
A. Eggert, L. Steinhoff, C. Witte, in: 2018 Winter AMA Conference Proceedings, New Orleans, 2018.

The Loyalty Effect of Gift Purchases
A. Eggert, L. Steinhoff, C. Witte, in: 2017 Winter AMA Conference Proceedings, Orlando, 2017.

The Power of Gift Purchases in Strengthening Customer-Company Relationships
C. Witte, L. Steinhoff, A. Eggert, in: Proceedings of the 45th European Marketing Academy (EMAC) Conference, Oslo, 2016.

You Might Want to Engage Your Customers, But Choose Them Wisely: The Mixed Effects of Company-Initiated Customer Engagement on Customer Loyalty
A. Eggert, L. Steinhoff, C. Witte, in: 2015 AMA Summer Marketing Educators’ Conference Proceedings, Chicago, 2015.