A long-standing challenge for welfare economics is to develop welfare criteria that can be applied to allocations with different population levels. Such a criterion is essential to resolve the optimal population problem, i.e., the tradeoff between population size and the welfare of each person...

In this paper, I show that, under relatively weak conditions, dynastic equilibria are never welfare optima. If a social planner sets policy to maximize a social welfare function, then, except in extreme cases where the planner cares only about a single generation, successive generations will...

Notwithstanding its widespread use as a measure of fiscal policy, the government deficit is not a well-defined concept from the perspective of neoclassical macro economics. From the neoclassical perspective the deficit is an arbitrary accounting construct whose value depends on how the...

Recent work demonstrates that dynastic assumptions guarantee the irrelevance of all redistributional polices, distortionary taxes, and prices--the neutrality of fiscal policy (Ricardian equivalence) is only the "tip of the iceberg." In this paper, we investigate the possibility of reinstating...

This paper shows that when earnings are uncertain the substitution of deficit finance for tax finance or the introduction of an unfunded social security program will raise consumption even if all bequests reflect intergenerational altruism. Thus, contrary to the theory developed by Barro and a...

This paper shows how changes in generational accounts relate to the generational incidence of fiscal policy. To illustrate the relationship, it uses the Auerbach-Kotlikoff Dynamic Life-Cycle Simulation Model to compare policy-induced changes in generational accounts with actual changes in...

Recent developments in public finance in the analysis of dynamic government debt policies have emphasized effects on the distribution of real resources across generations. At the same time, macroeconomists have emphasized the importance of the length of the time horizon over which agents...

The historical behavior of interest rates and growth rates in U.S. data suggests that the government can, with a high probability, run temporary budget deficits and then roll over the resulting government debt forever. The purpose of this paper is to document this finding and to examine its...

This lecture examines the effects of tax policy and social security retirement benefits on capital accumulation and economic welfare. The paper begins by examining how capital income taxes reduce the real return to savers and then discusses the welfare loss of capital income taxation relative to...

In a competitive two-country overlapping generations model with perfect capital mobility, a plan that is individually Pareto optimal (that is Pareto optimal with respect to individual preferences) can be sustained without coordination of national fiscal policies when the fiscal arsenal is...