Optimal climate policy is studied. Coal, the abundant resource, contributes more CO2 per unit of energy than the exhaustible resource, oil. We characterize the optimal sequencing oil and coal and departures from the Herfindahl rule. “Preference reversal” can take place. If coal is very dirty...

The response of an economy to a windfall of foreign exchange (be it aid or natural resource revenues) is often constrained by absorptive capacity. We provide a micro-founded analysis of absorption constraints, based on the idea that expanding the economy’s capital stock (in aggregate or...

Baumol's cost disease states that relatively high productivity growth in manufacturing induces a steady increase in the relative price of human services. If demand for these services is inelastic or manufactured goods are necessities, the budget share of these services inexorably rises over time...