In a competitive environment players often face uncertainty about the relative strength of their opponents. This paper considers a winner-take-all rent-seeking contest between two players with different costs of effort. Costs of effort are private knowledge, however, players have an opportunity...

This paper compares the effects of two leadership styles: leading by pre-game communication and leading by example using an iterated voluntary contribution game. We find that pre-game communication increases the level of individual contributions in the game and has essentially the same impact on...