This paper tracks the development of sectoral saving and borrowing in the US economy over the past 50 years. We show that the financial imbalances that erupted in the financial crisis of 2008 were long in the making and preceded the emergence of global imbalances in the 2000s. The record low...

This article tracks the history of sectoral saving and borrowing in the US economy over the past 50 years. We show that the financial imbalances that erupted in the financial crisis of 2008 were long in the making and preceded the emergence of global imbalances in the 2000s. These new dynamics...

Uncertainty about the riskiness of new financial products was an important factor behind the U.S. credit crisis. We show that a boom-bust cycle in debt, asset prices and consumption characterizes the equilibrium dynamics of a model with a collateral constraint in which agents learn ""by...