Design Features of Non-Financial Reward Programs for Online Reviews: Evaluation based on Google Maps Data (Abstract). - Alexander Kupfer; Luciano van Essen; Steffen Zimmermann (Wirtschaftsinformatik, 2019)

Do Featured Consumer Reviews Matter? - Alexander Kupfer; Ronald Maier; Steffen Zimmermann; Janna Josefina Thiele (ICIS, 2020)

Tag me if You can - (How) Should Platforms Tag Fake Reviews and Fake Users? - Stefanie Erlebach; Alexander Kupfer; Andrea Wrabel; Steffen Zimmermann (ECIS, 2022)

Being Informed or Getting the Product? - Andrea Wrabel; Alexander Kupfer; Steffen Zimmermann (Bus. Inf. Syst. Eng., 2022)

Explaining reviewing effort: Existing reviews as potential driver. - Christoph Rohde; Alexander Kupfer; Steffen Zimmermann (Electron. Mark., 2022)

Tagging the Fakes? - The Impact of Tagging Fake Reviews on Consumer Trust and Purchase Intention. - Stefanie Erlebach; Alexander Kupfer; Andrea Wrabel; Steffen Zimmermann (ECIS, 2023)

Bargain Hunting on Black Friday - Making Great Deals and Bragging About Them. - Kilian Züllig; Stefanie Erlebach; Alexander Kupfer; Steffen Zimmermann (HICSS, 2023)

Dynamic Pricing on Two-Sided Platforms: Consequences on Customers' Fairness Perceptions and Purchase Intentions. - Andreas Röder; Eva Bohnen; Kilian Züllig; Alexander Kupfer; Steffen Zimmermann (ICIS, 2023)

Can a Button Change your Purchase? - The Effect of the Accessibility of Consumer Reviews on Consumers' Online Purchase Decisions. - Andrea Wrabel; Alexander Kupfer; Steffen Zimmermann (Wirtschaftsinformatik, 2023)

Never Again "The Pizza was Great!" - Developing Design Principles for Dynamic Review Templates. - Maximilian Habla; Stefan Napirata; Andrea Wrabel; Alexander Kupfer; Steffen Zimmermann (Wirtschaftsinformatik, 2024)

The Effect of Digital Platform Strategies on Firm Value in the Banking Industry. - Maximilian Schreieck; Yongli Huang; Alexander Kupfer; Helmut Krcmar (J. Manag. Inf. Syst., 2024)