"Price rigidity is the key mechanism for propagating business cycles in traditional Keynesian theory. Yet the New Keynesian literature has failed to show that sticky prices by themselves can effectively propagate business cycles in general equilibrium. We show that price rigidity in fact can (by...

This paper develops an analytically tractable general-equilibrium model of inventory dynamics based on a precautionary stockout-avoidance motive. The model's predictions are broadly consistent with the U.S. business cycle and key features of inventory behavior. It is also shown that...

Large uninsured risk, severe borrowing constraints, and rapid income growth can create excessively high household saving rates and large current account surpluses for emerging economies. Therefore, the massive foreign-reserve buildups by China are not necessarily the intended out- come of any...

The current global-imbalance literature (which explains why capital ows from poor to rich countries) cannot explain China s foreign asset positions because capital cannot ow out of China under capital controls. A related but deeper puzzle that this literature fails to address is China s high...