The London Interbank Offered Rate (LIBOR) is a widely used indicator of funding conditions in the interbank market. As of 2013, LIBOR underpins more than $300 trillion of financial contracts, including swaps and futures, in addition to trillions more in variable-rate mortgage and student loans....

This paper describes a method for computing risk-neutral density functions based on the option-implied volatility smile. Its aim is to reduce complexity and provide cookbook-style guidance through the estimation process. The technique is robust and avoids violations of option no-arbitrage...

Remarks at the University of Wisconsin.

Weather is a key source of income risk, particularly in emerging market economies. This paper uses a randomized controlled trial involving a sample of Indian farmers to study how an innovative rainfall insurance product affects production decisions. We find that insurance provision induces...

Remarks at the Securities Industry and Financial Markets Association Conference, Boca Raton, Florida

Remarks at Bernard M. Baruch College, New York City.

Remarks at the Fordham Journal of Corporate Counsel & Financial Law Symposium, Fordham Law School, New York City.

We employ a model of leverage-induced explosive behavior in financial markets to develop a measure of financial market instability. Specifically, we derive a quantitative condition for how large levered investors can become relative to the whole market before the demand curve for securities...

We study market reactions to seasoned equity issuances that were announced by financial companies between 2002 and 2013. To assess the risk and valuation implications of these seasoned equity issuances, we conduct an event analysis using daily credit default swap (CDS) and stock market pricing...

This article describes the background, design choices and particular details of stress tests used as part of an overall supervisory regime; that is, their formal integration into the process of the ongoing prudential supervision of banks and other large financial institutions. We then describe...