Attempts to economize on bargaining costs imply that two parties may write a contract which is incomplete in the sense that each party tacitly cedes some decision rights to the other. If decision-makers can be disciplined by the threat of ex post renegotiation of decisions initially delegated to...

Considering a principal-agent model in which the difficulty of the agent's action is better known ex interim than ex ante, we compare two contracting regimes; one with commitment to an ex ante negotiated contract, and one with an ex interim negotiated contract. The ex ante contract can not have...

The article proposes a research program to compare game forms in terms of their ability to govern ex post adjustments to ex ante contracts. The comparisons can be based on direct implementation-costs or the extent to which desirable adjustments are not implemented. In several examples of the...

The article proposes a research program to compare game forms in terms of their ability to govern ex post adjustments to ex ante contracts. The comparisons can be based on direct implementation-costs or the extent to which desirable adjustments are not implemented. In several examples of the...