To analyze business fixed investment in Japan, which has been unusually volatile in recent years, we develop and apply a loglinear flexible accelerator model. We find that movements in business fixed investment are consistent with movements in output and the tax- adjusted cost of capital, both...

We develop an equilibrium search model that incorporates job-to-job transitions, exhibits instances of replacement hiring, and conceptually distinguishes between job and worker flows. We propose a notion of competitive equilibrium for random-matching environments and study the extent to which it...

We develop a model of financial deepening, based on the distinction between limited bilateral commitment and limited multilateral commitment. We explore the effects of secular changes in financial depth on investment and output; on intermediation and interest rates; on the long-run velocities of...

This paper is a theoretical study into how credit constraints intereact with aggregate economic activity over the business cycle. We construct a model of a dynamic economy in which lenders cannot force borrowers to repay their debts unless the debts are secured. In such an economy, durable...