Firms signal high quality through high prices even if the market structure is highly competitive and price competition is severe. In a symmetric Bertrand oligopoly where products may differ only in their quality, production cost is increasing in quality and the quality of each firm’s product...

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...