This paper develops a tractable overlapping generations model that is useful for analyzing both the short and long run impact of fiscal policy and social security. It modifies the Blanchard (1985)/Weil (1987) framework to allow for life/cycle behavior. This is accomplished by introducing random...

This paper characterizes a multi-period production economy in which borrowers and lenders enter long-term financial contracts. A key feature is that aggregate production and borrowers' capacity to absorb debt -- their "financial capacity" - are jointly determined endogenous variables, in the...

In the spring of 2013 the Bank of Japan introduced a state-of-the-art monetary policy which included among other things inflation targeting and aggressive use of forward guidance. In contrast to the predictions of conventional macroeconomic theory, these policies have had only very limited...

We study a theoretical general equilibrium environment in which the only activity of interest is armed robbery. Agents choose whether to be citizens or robbers, and whether to purchase handguns. Armed citizens can protect themselves from robbery but any armed agent runs the risk of accidentally...