In sharp contrast to most previous crisis episodes, the Treasury market experienced severe stress and illiquidity during the COVID-19 crisis, raising concerns that the safe-haven status of U.S. Treasuries may be eroding. We document large shifts in Treasury ownership and...

In over-the-counter markets for assets such as bonds or securitizations, large volumes can be split into smaller pieces and gradually sold to several nal investors with
the intermediation of multiple dealers. This paper proposes a model to study this...

We propose a new model of trading in OTC markets. Dealers accumulate inventories by trading with end-investors and trade among each other to reduce their inventory holding costs. Core dealers use a more efficient trading technology than peripheral dealers, who...

Long-held intuition dictates that information-based trade is impossible without exogenous noise. Risk seekers can resolve this conundrum. Even though such agents have negative risk aversion, they act as utility maximizers because they fully internalize their impact on prices. If their...

We study the disclosure policy of a regulator overseeing a monitor with reputation
concerns, such as a bank or an auditor. The monitor oversees a manager, who chooses
how much to manipulate given the monitor's reputation. Reputational incentives...

We characterize necessary conditions for socially responsible investors to impact firm behavior in a setting in which firm production generates social costs and is subject to financing constraints. Impact requires a broad mandate, in that socially responsible investors need to...