I study irreversible investment decisions when projects take time to complete, and are subject to two types of …, and materials that will ultimately be required to complete the project, and that is only resolved as the investment … required, and which is external to the firm's investment activity. I derive a simple decision rule that maximizes the firm …

We re-examine the basic investment problem of deciding when to incur a sunk cost to obtain a stochastically fluctuating … benefit. The optimal investment rule satisfies a trade-off between a larger versus a later net benefit; we show that this … demand curve. We reinterpret the optimal investment rule as a markup formula involving an elasticity that has exactly the …

investment. Uncertainty increases real option values making firms more cautious when investing or disinvesting. This is confirmed … both numerically for a model with a rich mix of adjustment costs, time-varying uncertainty, and aggregation over investment … year investment response to demand shocks. This implies the responsiveness of firms to any given policy stimulus may be …

to long-run uncertainty than investment, and in turn investment is relatively more sensitive to long-run uncertainty than … show that lower depreciation rates and higher adjustment costs lead R&D and investment to be more sensitive to longer … be particularly damaging to growth by reducing R&D and investment …

find that policy uncertainty raises stock price volatility and reduces investment and employment in policy … foreshadow declines in investment, output, and employment in the United States and, in a panel VAR setting, for 12 major …

We develop an integrated theory of investment, seasoned equity offerings (SEOs), liquidation, and corporate savings … payout policies. Facing costly external financing, the firm prefers to fund its investment internally, so that its optimal … substantial delay in investment; (4) A financially constrained firm over-invests in early stages of its life-cycle in an effort to …

values and optimal investment decisions. The method is quite general, and is illustrated both analytically and numerically …, on mine values and investment decisions. Although the tax policies are found to have the expected effects on asset values …, the effects on investment decisions are sometimes perverse. An increase in the income tax rate may encourage investment …

The theoretical relationship between investment and uncertainty is ambiguous. This paper briefly surveys the insights … theoretical effects. Our results from a panel of U.S. manufacturing firms indicate a negative effect of uncertainty on investment … consistent with theories of irreversible investment. We find no evidence for a positive effect via the channel of the convexity …

This study uncovers a statistically significant negative correlation between volatility and private investment over the … number of different measures, volatility reduces private investment in developing countries. We then show that the … continue to hold even if the coefficient of relative risk aversion approaches zero (that is, even if the marginal utility of …

investment; the impact of uncertainty on investment occurs primarily through changes in credit spreads; and innovations in credit … spreads have a strong effect on investment, irrespective of the level of uncertainty. These findings raise a question … financial shocks. By influencing the effective supply of credit, both types of shocks exert a powerful effect on investment and …