Natacha Postel-Vinay is an economic and financial historian. Her research explores international finance, money and banking from a historical perspective. It looks at how private finance and monetary policy have affected the business cycle over time, creating and destroying leverage and liquidity. She is an expert in the economic and financial history of the Great Depression. Her research also focuses financial crisis resolution and the macroeconomic effects of fiscal policy. She teaches monetary and financial history from 1600 to the twenty-first century, and she is a CEPR Research Affiliate.