When a bank experiences a negative shock to its equity, one way to return to target leverage is to sell assets. If asset sales occur at depressed prices, then one bank's sales may impact other banks with common exposures, resulting in contagion. We propose a simple framework that accounts for...

We present a model in which fire sales propagate shocks across bank balance sheets. When a bank experiences a negative shock to its equity, a natural way to return to target leverage is to sell assets. If potential buyers are limited, then asset sales depress prices, in which case one bank׳s...

We study the relation between the ownership structure of financial assets and non-fundamental risk. We define an asset to be fragile if it is susceptible to non-fundamental shifts in demand. An asset can be fragile because of concentrated ownership, or because its owners face correlated or...

Due to non-linear transaction costs, the fi nancial performance of a trading strategy decreaseswith portfolio size. Using a dynamic trading model a la Garleanu and Pedersen (2013), wederive closed-form formulas for the performance-to-scale frontier reached by competitive tradersendowed with a...

"Public or partial disclosure of financial data is a key element in the design of a new regulatory environment. We study the costs and benefits of higher public access to financial data and analyze qualitatively how frequency, disclosure lag and granularity of such open data can be chosen to...