In this magisterial account of the Great Depression, MIT economist Charles Kindleberger emphasizes three factors that continue to shape global financial markets: panic, the power of contagion, and importance of hegemony. Reissued on its fortieth anniversary with a new foreword by Barry J. Eichengreen and J. Bradford DeLong, this masterpiece of economic history shows why U.S. Treasury Secretary Lawrence Summers, during the darkest hours of the 2008 global financial crisis, turned to Kindleberger and his peers for guidance.