In the canonical learning model, the multi-armed bandit with independent arms, a decision maker learns about the different alternatives only through his private experience. It is well known that any optimal experimentation strategy for this problem is ex-post inefficient: it sometimes leads the...

We analyze a dynamic principal-agent model where an infinitely-lived principal faces a sequence of finitely-lived agents who differ in their ability to produce output. The ability of an agent is initially unknown to both him and the principal. An agent's effort affects the information on ability...

In the wake of the 2007-2008 financial crisis, a policy called the Public-Private Investment Program for Legacy Assets (PPIP) was introduced to promote price discovery and restore liquidity in the markets for a variety of asset-backed securities. Under this program, private investors who were...

We study a dynamic, decentralized market environment with asymmetric information and interdependent values between buyers and sellers, and characterize the complete set of equilibria. The model delivers a stark relationship between the severity of the information frictions and the time it takes...

We introduce human capital accumulation, in the form of learning--by--doing, in a life--cycle model of career concerns and analyze how human capital acquisition affects implicit incentives for performance. We show that standard results from the career concerns literature can be reversed in the...

We study a dynamic, decentralized market environment with asymmetric information and interdependent values between buyers and sellers, and characterize the complete set of non-stationary equilibria. For a given fraction of low-quality assets, or ``lemons,'' the model describes how prices, the...

We consider an economy where trade is decentralized and agents have incomplete information with respect to the value of money. Agents' learning evolves from private experiences and we explore how the formation of prices interacts with learning. We show that multiple equilibria arise, and...

In some coordination problems, an agent's payoff depends on what other agents will do in the future. This paper studies how constraints on the timing of actions affect equilbrium in those problems. While the possibility of waiting longer for others' actions helps agents to coordinate in the good...