Dynamic R&D Contracting

44 Pages Posted: 20 Aug 2019 Last revised: 6 Apr 2020

See all articles by Ali Kakhbod

Ali Kakhbod

Massachusetts Institute of Technology (MIT) - Department of Economics

Kevin Li

Massachusetts Institute of Technology (MIT) - Department of Economics

Date Written: January 1, 2020

Abstract

We study a contracting problem in continuous-time where the principal hires an agent to conduct an R&D project for which progress towards success is binary. Under general concave payoffs, we explicitly derive the optimal dynamic incentive con- tract. In the first best scenario where incentives between the agent and principal are aligned, the optimal contract is constant. In contrast, when incentive compatability is a binding constraint, the optimal contract is explicitly characterized by the unique solution of an ordinary differential equation. The duration of employment is also uniquely specified by an endogenous threshold. The principal is patient near that threshold and his continuation value may in fact be negative in a neighborhood of the threshold. Importantly, due to the lumpy nature of the project completion, the optimal incentive-pay is two-dimensional: a flow payments during the R&D phase, and a lump-sum reward upon successful completion of the project. Finally, in numerical simulations, we find that the optimal contract features a miniscule level of flow payments, where most of the agent’s benefit come from the lump-sum reward when the project is successful. This theoretical feature of our model agrees with empirical evidence that CEO compensation is tied to the success of research agendas taking place over a long time horizon.

Keywords: Dynamic continuous-time contracts, Moral hazard, Imperfect monitoring

JEL Classification: G14, G18, D83, G01

Suggested Citation

Kakhbod, Ali and Li, Kevin, Dynamic R&D Contracting (January 1, 2020). Available at SSRN: https://ssrn.com/abstract=3436195 or http://dx.doi.org/10.2139/ssrn.3436195

Ali Kakhbod (Contact Author)

Massachusetts Institute of Technology (MIT) - Department of Economics ( email )

77 Massachusetts Avenue
50 Memorial Drive
Cambridge, MA 02139-4307
United States

Kevin Li

Massachusetts Institute of Technology (MIT) - Department of Economics ( email )

50 Memorial Drive
E52-391
Cambridge, MA 02142
United States

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