This paper analyzes a model of investment with fixed investment costs and capital market imperfections. In this model finance influences the level of capital firms hold, as well as the frequency at which they invest. In consequence investment reacts nonlinearly with respect to shocks to...

Recently, there has been a lively debate between Cooper and Willis (2001,2002,2003a, 2003b) and Caballero and Engel (2004) about the apropriateness of the so-called 'gap approach' to labor adjustment. Cooper and Willis claim that the gap approach is unable to identify non- convex adjustment...

This paper analyzes the interaction of financial frictions and non- convex adjustment costs. With non-convex adjustment costs firms infrequently carry out discrete investment projects. Therefore, financial variables may influence investment in two ways. Theoretically, they can alter the...