Greece is at a decisive moment. It has to choose between defaulting and an economic program of structural reforms, privatization, efficient tax collection, and shrinking of the public sector. Unilateral suspension of debt payments would be an economic catastrophe for Greeks, resulting in deep...

Policymakers justify bailing out major financial firms by saying those firms are 'too big to fail.' They argue that such failure would subject the market to 'counterparty contagion' as the failed firms default on their obligations to other firms. But empirical evidence indicates that...

Recent regulatory reforms like the mandatory clearing of standardized swap contracts and mandatory trading on centralized execution platforms have significantly changed the derivatives landscape. These reforms have, in certain cases, led the market to increasingly trade on multilateral...

Credit default swaps (CDS) are the most common type of credit derivative. This paper provides a brief history of the CDS market and discusses its main characteristics. After describing the basic mechanics of a CDS, I present a simple valuation framework that focuses on the relationship between...

The Lehman Brothers' 2008 bankruptcy spread losses to its counterparties even when Lehman was a lender of cash, because collateral for that lending was tied up in the bankruptcy process. I study the implications of such lender default using a general equilibrium network model featuring...

We discuss a simple, exactly solvable model of stochastic stock dynamics that incorporates regime switching between healthy and distressed regimes. Using this model, which is analytically tractable, we discuss a way of extracting expected returns for stocks from realized CDS spreads,...

We examine whether investor protection affects capital markets in terms of the development of corporate bond markets versus that of equity markets. Using a dataset of 42 countries, we show that in countries with stronger creditor rights, corporate bond markets are more developed than equity...

I explain the key failure mechanics of large dealer banks, and some policy implications. This is not a review of the financial crisis of 2007-2009. Systemic risk is considered only in passing. Both the financial crisis and the systemic importance of large dealer banks are nevertheless obvious...