The goal of integrated risk management in a financial institution is to measure and manage risk and capital across a range of diverse business activities. This requires an approach for aggregating risk types (market, credit, and operational) whose distributional shapes vary considerably. In this...

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...

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...

Remarks at the Workshop on Reforming Culture and Behavior in the Financial Services Industry, Federal Reserve Bank of New York, New York City.

Remarks at the Workshop on Reforming Culture and Behavior in the Financial Services Industry, Federal Reserve Bank of New York, New York City.

We build a general equilibrium model with financial frictions that impede the effectiveness of monetary policy in stimulating output. Agents with heterogeneous productivity can increase investment by levering up, but this increases interim liquidity risk. In equilibrium, the more productive...

I introduce the concept of hybrid intermediaries: financial conglomerates that control a multiplicity of entity types active in the “assembly line” process of modern financial intermediation, a system that has become known as shadow banking. The complex bank holding companies of today are...

In moral hazard models, bank shareholders have incentives to transfer wealth from the deposit insurer - that is, maximize put option value - by pursuing riskier strategies. For safe banks with large charter value, however, the risk-taking incentive is outweighed by the possibility of losing...

In 2002, the Securities and Exchange Commission mandated that the chief executive officers of large, publicly traded firms certify the accuracy of their company financial statements. In this paper, I investigate whether CEO certification has had a measurable effect on the stock market valuation...

Remarks at Institute of International Bankers Seminar on Risk Management and Regulatory/Examinations Compliance Issues, New York City.