In 2002 the leading European football clubs reacted to the increasing player salaries by signing a voluntary agreement to limit player salaries to 70% of revenues. We analyze under which conditions a voluntary salary cap agreement is self-enforcing. Based on a simple model of a league with two...

In 2002 the leading European football clubs reacted to the increasing player salaries by signing a voluntary agreement to limit player salaries to 70% of revenues. We analyze under which conditions a voluntary salary cap agreement is self-enforcing. Based on a simple model of a league with two...

The paper is a survey written for the Sixth World congress of the Econometric Society. It is devoted largely to a discussion of the progress made in the last decade in understanding the structure of self-enforcing agreements in discounted supergames of complete information. Perfect and imperfect...

This paper explores the conditions under which compliance with a social contract establishes an equilibrium in a society. It is assumed that society consists of two groups, one of which has a comparative advantage in using violence, whereas the other one has a comparative advantage in producing...