Explaining the evolution and maintenance of cooperation among unrelated individuals is one of the fundamental problems in biology and the social sciences. Recent experimental evidence suggests that altruistic punishment is an important mechanism to maintain cooperation among humans. In this...

This paper examines the impact of payment choice on charitablegiving with a door-to-door fund-raising field experiment. Respondentscan donate cash only, use debit only, or have both options. Cash donations have lower visibility vis-a-vis solicitors than debit card donations. When debit replaces...

This discussion paper led to a publication in href=http://onlinelibrary.wiley.com/doi/10.1002/jae.1071/fullJournal of Applied Econometrics, 24(6), 993-1023.Parents’ transfer motives are important for understanding, e.g., macroeconomics, income (re)distribution, savings, and public finance....