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...

Since giving to religious organizations constitutes a substantial portion of total charitable giving, an understanding of the determinants of religious giving is a vital policy concern. Drawing on a novel congregation-level panel dataset, we examine whether religious giving is driven by...