We show how the timing of financial innovation might have contributed to the mortgage bubble and then to the crash of 2007-2009. We show why tranching and leverage first raised asset prices and why CDS lowered them afterwards. This may seem puzzling, since it implies that creating a derivative...

We show how the timing of financial innovation might have contributed to the mortgage boom and then to the bust of 2007-2009. We study the effect of leverage, tranching, securitization and CDS on asset prices in a general equilibrium model with collateral. We show why tranching and leverage tend...

What began as a financial crisis in the United States in 2007–2008 quickly evolved into a massive crisis of the global real economy. We investigate the importance of the bank lending and firm borrowing channel in the international transmission of bank distress to the real economy—in...

What began as a financial crisis in the United States in 2007-2008 quickly evolved into a massive crisis of the global real economy. We investigate the importance of the bank lending and firm borrowing channel in the international transmission of bank distress to the real economy - in...

The paper estimates the effects on the real economy of the sharp reduction in the supply of credit following the 2008 financial crisis. We develop a measure of local credit supply that is based on the market shares of the banks that serve a local economy and the national change in each bank's...