We study the optimal design of an innovation contest where the designer wants to induce product variety and faces a moral hazard problem. The innovators have different areas of expertise and may differ in their flexibility to adopt approaches outside their specialties. When the suppliers are...

We analyze the role of cost complementarities in driving the overall impact of a recent hygiene-rating disclosure policy in the U.K. We develop a simple theoretical multitasking model, which serves as a platform for our empirical analysis. We conduct a counterfactual analysis, which reveals the...

We examine a three-player, three-stage game of alliance formation followed by multi-battle conflict. There are two disjoint sets of battlefields, each of which is associated with a player who competes only within that set. The common enemy competes in both sets of battlefields. An...

"This paper develops an empirical approach to estimate the equilibrium value of renewable electricity technologies, and applies it to evaluate solar energy mandates in southeastern Arizona. Solar generation and other renewables suffer from intermittency because weather varies and is only...