• Jeff Ely

Moving the Goalposts

Updated: May 14, 2019

Joint with Martin Szydlowski

We study information as an incentive device in a dynamic moral hazard frame- work. An agent works on a task of uncertain difficulty, modeled as the duration of required effort. The principal knows the task difficulty and can provide information over time with the goal of inducing maximal effort. The optimal mechanism features moving goalposts: an initial disclosure makes the agent sufficiently optimistic that the task is easy in order to induce him to start working. If the task is indeed difficult the agent is told this only after working long enough to put the difficult task within reach. Then the agent completes the difficult task even though he never would have chosen to at the outset. The value of dynamic disclosure implies that principal prefers a random threshold over any deterministic scheme. We con- sider extensions to two-player pre-emption games and bandits. 

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Jeffrey Ely

Department of Economics

Northwestern University

2211 Campus Dr Evanston, IL 60208

Curriculum Vitae

©2019 by Jeffrey Ely.