The paper demonstrates that the concepts of dynamic controllability are useful for the theory of economic policy by establishing four propositions. First dynamic controllability is a central concept in stabilization policy. Second, the ability to achieve a target state, even if it cannot be...

Tax laws and administrations often treat different size firms differently. There is, however, little research on the consequences. As modeled here, oligopolists with different efficiencies determine the size distribution of firms. A government that maximizes a weighted sum of consumer surplus,...

Are generational accounts informative about the effect of the budget on the intergenerational distribution of resources and on aggregate saving? First, the usefulness of generational accounts lives or dies with the strict life-cycle model of household consumption. Second, even if the life-cycle...