This paper presents two macro models in which central bank policy has real effects on the supply side of the economy due to credit rationing. In each model, there are two possible regimes, depending on whether credit is or is not rationed. Starting from an unrationed equilibrium, either a large...

When government expenditures exceed current tax revenues, the resulting deficit must be financed either by issuing bonds, which imply obligations to levy future taxes, or by creating high-powered money. The choice between money and bonds is often thought to be of great moment for both real and...

The role of inventories in making prices "sticky" is studied by analyzing a dynamic linear-quadratic model of a monopoly firm facing stochastic demand, but able to store its finished goods in inventory. It is shown that, in contrast to the usual presumption, firms that exhibit the smallest...

An otherwise conventional Keynesian macro model is modified to include inventories of final goods by (1) drawing a distinction between production and final sales, and (2) allowing for a negative effect of the level of inventories on production. Two models are presented: one in which the labor...

The simplest macroeconomic models in which markets clear instantaneously, and expectations are rational preclude the existence of "business cycles," that is, of serially correlated deviations of output from trend. This paper studies one of several mechanisms that can be used to make these...