Relational contracts-informal agreements sustained by the value of future relationships-are prevalent within and between firms. We develop repeatedgame models showing why and how relational contracts within firms (vertical integration) differ from those between (nonintegration). We show that...

We analyze the role of implicit contracts' (that is, informal agreements supported by" reputation rather than law) both within firms, for example in employment relationships between them, for example as hand-in-glove supplier relationships. We find that the optimal" organizational form is...

Objective measures of performance are seldom perfect. In response, incentive contracts often include important subjective components that mitigate incentive distortions caused by imperfect objective measures. This paper explores the combined use of subjective and objective performance measures...