To increase their transition from welfare to work, benefit recipients in the municipality of Rotterdam were exposed to various financial incentives, including both carrots to sticks. Once their benefit spell exceeded one year, welfare recipients were entitled to a reemployment bonus if they...

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....

We study the relationship between workers' opportunities to help others on-the-job and volunteering behavior outside the workplace. We predict that there is substitutability between workers' contribution to other peoples' well-being by exerting effort on-the-job and outside the workplace. We...

Alger and Weibull (2013) present a model for the evolution of preferences under incomplete information and assortative matching. Their main result is that Homo Moralis - who maximizes a convex combination of her narrow self-interest and "the right thing to do" - is evolutionarily stable, if it...