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Working Paper
Estimating the long-run user cost elasticity for a small open economy: evidence using data from South Africa
This paper estimates the long run elasticity of the demand for fixed nonresidential capital (both equipment and structures) to changes in its user cost using a quarterly panel of two-digit manufacturing data from South Africa from 1970 to 2001. Using a difference specification that does not rely on cointegration, we find highly significant estimates of the user cost elasticity on the order of -0.80. These estimates contrast sharply with many previous studies that obtained small and/or statistically insignificant estimates of the user cost elasticity using U.S. data. This discrepancy may owe ...
Working Paper
Gestation lags for capital, cash flows, and Tobin's Q
Investment models typically assume that capital becomes productive almost immediately after purchase and that there is no lead time needed to plan. In the case, marginal q is usually sufficient for investment. This paper develops a model of aggregate investment where competitive firms face no adjustment costs other than building and planning delays. In this context, both Tobin's Q and cash flow can be noisy indicators of investment because some shocks fail to outlast the combined gestation lag. The paper demonstrates some empirical facts that challenge prevailing theories of investment but ...
Working Paper
Gestation lags and the relationship between investment and Q in regressions
Regressions of investment on Tobin's Q are misspecified in the presence of capital gestation lags because they don't distinguish between the value of existing capital and the value of capital at a future date. Current investment should be determined by the anticipated shadow value of capital at the gestation horizon. Under homogeneity conditions analogous to Hayashi[1982], this value is equal to the forecast of an adjusted version of Q. This misspecification helps to explain many pathologies in the literature: attenuated estimates of the coefficient on Q, low R2, and serially-correlated ...
Working Paper
Time-to plan lags for commercial construction projects
We use a large project-level dataset to estimate the length of the planning period for commercial construction projects in the United States. We find that these time-to-plan lags are long, averaging about 17 months when we aggregate the projects without regard to size and more than 28 months when we weight the projects by their construction cost. The full distribution of time-to-plan lags is very wide, and we relate this variation to the characteristics of the project and its location. In addition, we show that time-to-plan lags lengthened by 3 to 4 months, on average, over our sample period ...
Working Paper
The Asian financial crisis, uphill flow of capital, and global imbalances: evidence from a micro study
This study assesses the role of the Asian financial crisis of the late 1990s in the emergence and persistence of the large current account surpluses across non-China emerging Asia, which have been a significant counterpart to the U.S. current account deficit. Using panel data encompassing nearly 3,750 firms, we trace the current account surpluses to a marked and broad-based decline in corporate expenditures on fixed investment in the aftermath of the crisis that cuts across a wide spectrum of countries, industries, and firms. The lower corporate spending in turn depressed aggregate investment ...