The purpose of this paper is to investigate contract renegotiation in multi-agent situations where risk averse agents negotiate a contract offer to the principal after they observed a common, unverifiable perfect signal about their actions. Renegotiation gives the agents gains from mutual insurance.

This paper studies public good provision in the laboratory using voluntary contribution mechanism, in a cross-cultural experiment conducted in the United States and Japan.

This paper considers an incumbent firm that is faced with a potential entrant in a vertically differentiated market. It demonstrates than an incumbent firm cannot prevent entry through product proliferation because of a commitment problem.