Salary data from a single firm are analyzed in an effort to identify the firm's wage policy. The authors find that employees are partly shielded against changes in external market conditions; that wage variation within a job level is large both cross-sectionally and for individuals over time,...

We analyze twenty years of personnel data from one firm. The hierarchical structure is quite simple and stable. Career movements suggest that the employee's rate of learning and the firm's learning about ability are important. There are promotion 'fast tracks.' Exit rates vary little with tenure...

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...

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...

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 in (respectively) implicit and explicit incentive contracts. The...

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...