We establish explicit socially optimal rules for an irreversible investment decision with time-to-build and uncertainty …

subject to a time-to-build constraint. Public investment projects typically entail significant time-to-build delays, which … consumption-in a liquidity trap. Intuitively, when the time to build is sufficiently long, and to the extent that public capital …

time preference and a time-to-build feature in capital accumulation. Both features are particularly important in the …. We focus on the welfare-theoretic consequences of diverging social and private rates of time prefer- ence and a time-to-build … subsidy. Keywords: environmental and technology policy, social vs. individual rates of time pref- erence, time to build …

Time-to-build completion rates can be estimated individually, under the restrictions that they are positive values … corresponding completion rates collectively. The estimation results of a time-to-build model indicate that imposing the beta …