In this paper we derive a model of aggregate investment that builds from the lumpy microeconomic behavior of firms …-of-sample criteria, we find that the model performs substantially better than the standard linear models of investment for postwar … sectoral U.S. manufacturing equipment and structures investment data …

The 90s have witnessed a revival in economists' interest and hope of explaining" aggregate and microeconomic investment … of the investment problem also has been significant. " The concept of sunk costs is at the center of modern theories. The … implications of these costs for" investment go well beyond the neoclassical response to the irreversible-technological friction …

good investment opportunities, but is negatively related to growth for firms whose growth opportunities are either not …

examine the implications of exchange rates for time series of sectoral investment. Both theoretically and empirically we show … that investment responsiveness to exchange rates varies over time, positively in relation to sectoral reliance on export … differences in investment endogeneity across high and low markup sectors, with investment in low markup sectors significantly more …

In this paper we derive a model of aggregate investment that builds from the lumpy microeconomic behavior of firms … aggregate investment obtained from adding up the actions of firms subject to aggregate and idiosyncratic shocks, is highly non … postwar sectoral U.S. manufacturing equipment and structures investment. For a given sequence of aggregate shocks, the …

A recent literature suggests that because investment expenditures are irreversible and can be delayed, they may be … aggregate investment. We find that the volatility of the marginal profitability of capital - a summary measure of uncertainty … - affects investment as the theory suggests, but the size of the effect is moderate, and is greatest for developing countries …

We study the effects of aggregate and idiosyncratic uncertainty on the entry of firms, total investment, and prices in … a competitive industry with irreversible investment. We first use standard dynamic programming methods to determine …

Investment is often irreversible, in that installed capital has little or no value unless used in production. In the … presence of ongoing uncertainty, an individual firm's irreversible investment policy optimally alternates short bursts of … positive gross investment to periods of inaction, when the installed capital stock is allowed to depreciate. The behavior of …

rates - is determined to equate the world aggregate of investment demand to the world aggregate of desired national saving …