In academia, a subset of faculty has tenure, which allows its beneficiaries to retain their professorships without mandatory retirement and with only limited grounds for revocation. Proponents of tenure argue it protects intellectual freedom and encourages investment in human capital. Detractors...

The paper develops a model of academic tenure based on multi-tasking and screening. A professor has two tasks, researching and teaching. We assume that researching performance is easy to measure but teaching performance is immeasurable. Then Holmstrom and Milgrom's (1991) classical muli-task...