FEEM working papers "Note di lavoro" series
2005 .054

Investment and Time to Plan: A Comparison of Structures vs. Equipment in a Panel of Italian Firms

Authors: Charles Himmelberg, Alessandra del Boca, Marzio Galeotti, Paola Rota
Series: Economy and Society
Editor: Fausto Panunzi
Type: Journal
Keywords: Investment expenditures,Panel data,Italian firms,Time to build
JEL n.: D24,G31,C33,C34
JEL: Journal of the European Economic Association
Pages: Vol. 6, pp. 864-889
Date: 2008


"Time to build" models of investment expenditures play an important role in many traditional and modern theories of the business cycle, especially for explaining the dynamic propagation of shocks. We estimate the structural parameters of a time-to-build model using firm-level investment data on equipment and structures. For equipment expenditures, we find no evidence of time-to-build effects beyond one period. For structures, by contrast, there is clear evidence of time to build in the range of 2-3 years. The contrast between equipment and structures is intuitively reasonable and consistent with previous results. The estimates for structures also indicate that initial-period expenditures are low, and increase as projects near completion. These results provide empirical support for including "time to plan" effects for investment in structures. More generally, these results suggest a potential source of specification error for Q models of investment and production-based asset pricing models that ignore the time required to plan, build and install new capital.

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