Research

Working Papers

1. Daphne Chang, Roy Chen, Erin Krupka & Zhewei Song. (2024). “Do Policy Instruments That Ban Social Identity Expression Increase Economic Cooperation?” . Revise and Resubmit at European Economic Review.

2. Zhewei Song. (2024). “Sellers’ Defensive Behavior in Credence Goods Markets with Uncertain Outcomes – Does a Reputation System and/or a Behavioral Nudge Improve Efficiency?” (Job Market Paper)

3. Zhewei Song & Ulrike Vollstaedt. (2024). “How to Make Better and/or Cheaper Products Accessible to Buyers through an Optimal Product Testing Mechanism”

4. Zhewei Song & Erin Krupka. (2024). “When Group- and Self-Esteem Lead To ‘We-Thinking’: When Does Social Identity Motivate Group Behavior?”

Work in Progress:

5. “Entitlement Effect on Social Groups” (With Erin Krupka, Ro’i Zultan and Sebastian Goerg)