Did the financial crisis spread from distressed banks to households through a contraction of the credit supply? We study this question with a dataset that contains observations on all accounts in Danish banks as well as comprehensive information about individual account holders and banks. We...

In public good games, voluntary contributions tend to start off high and decline as the game is repeated. If high contributors are matched, however, contributions tend to stay high. We propose a formalization predicting that high contributors will self-select into groups committed to charitable...