Fundamentalist organizations and the terrorists they spawn do not arise of a vacuum. Combating terrorism requires understanding the principles of groups’ formation, development and growth. We use economic theory to explain the creation and development of fundamentalist groups. In this paper we...

We consider a two group contest over a group specific public good where each member of a group has a different benefit from the good. Our model can be interpreted in two ways: Each of the players has a non-linear investment cost in the contest, or alternatively, the returns to effort are...

This article considers an asymmetric contest with incomplete information. There are two types of players: informed and uninformed. Each player has a different ability to translate effort into performance in terms of the contest success function. While one player's type is known to both players,...

We consider a two group contest over a group specific public good comparing two situations: (i) when all players act independently; and (ii) when the players of each group cooperate. This comparison leads us to the conclusion that it is possible for one group to contribute more (and have a...

Hierarchical firms are enterprises with rigid internal job ladders. We examine the state enterprise as the prototypical hierarchical firm. In the state enterprise, promotion of employees through the internal hierarchy is determined by the workers’ allocation of time between rent seeking and...