I study a two-period model of conflict with two combatants and a third party who is an ally of one of the combatants. The third party is fully informed about the type of her ally but not about the type of her ally's enemy. In a signaling game, I find that if the third party is unable to give a...

This paper reviews the relatively small literature on sabotage in contests. It looks at both the formal game-theoretic literature and the empirical and experimental literatures. The treatment is intended to be intuitive with minimal use of technical jargon.

In the very popular FOX TV reality show, American Idol, the judges, who are presumably experts in evaluating singing effort, have no voting power when the field is narrowed to the top twenty-four contestants. It is only the votes of viewers that count. In the 2007 season of the show, Simon...

In the popular FOX TV reality show, American Idol, the judges, who are presumably experts in evaluating singing effort, have no voting power when the field is narrowed to the top twenty-four contestants. It is only the votes of viewers that count. In the 2007 season of the show, one of the...

History is replete with overt discrimination of various forms. However, these forms of discrimination are not equally tolerable. For example, discrimination based on immutable or prohibitively unalterable characteristics such as race or gender is much less acceptable. Why? I develop a simple...

A primary means of bureaucratic oversight is consumer complaints. Yet, this important control mechanism has received very little attention in the literature on corruption. I study a model of corruption with incomplete information in which consumers require a government service from officials who...

Consider a world with two people, 1 and 2, where person 1 (the proposer) may offer to help person 2 (the responder). The proposer may be altruistic towards the responder either out of a genuine desire to make her happy or out of guilt. The responder derives disutility from apparent acts of...

Richer and more educated citizens demand better governance than poorer citizens. They participate more in the political process, are more difficult to buy off, and tend to have the financial resources to support a revolt. An autocrat who is politically insecure may therefore not invest in...