hide
Free keywords:
Dynamic Inefficiency, overlapping-generations models, First Welfare Theorem, certainty-equivalents criterion
JEL:
D15 - Intertemporal Household Choice; Life Cycle Models and Saving
JEL:
D61 - Allocative Efficiency; Cost–Benefit Analysis
JEL:
E21 - Consumption; Saving; Wealth
JEL:
E22 - Investment; Capital; Intangible Capital; Capacity
JEL:
E62 - Fiscal Policy
JEL:
H30 - General
Abstract:
For overlapping-generations models with multiple assets and without labour, welfare assessments of equilibrium allocations depend on whether the certainty equivalents of the one-period-ahead marginal rates of return on assets that are held are larger or smaller than the population growth rate. Conditional on the period and the history up to that period, the equilibrium values of these certainty equivalents are the same for all assets held and equal to the riskless rate if a riskless asset is held. If population growth is uncertain, the standard of comparison is the certainty equivalent of the population growth rate when interpreted as the marginal rate of return on an additional asset.
