In a multi-period environment, time is certainly an added dimension in which the principal can differentiate in search of better screening contracts. This idea is used in a two-period model of agriculture without any form of uncertainty, where the landlord offers separating tenurial contracts to...

A class of employment contracts entailing production targets and consequent rewards is studied. In a nondiscriminatory environment, a principal hiring many agents faces the problem of writing a common contract which induces the highest possible effort from each one of his agents. While a very...