The objectives of this paper are 1) to assess the impact of medical and nursing home expenses on life-cycle savings and wealth inequality in the U.S., and 2) to quantitatively evaluate the effects of alternative old-age social insurance policies in a general equilibrium framework. We consider a...

We present a general equilibrium model of the decisions of firms to innovate and to engage in international trade. We use the model to study the changes in aggregate productivity that arise as firms' exit, export, process- and product innovation decisions respond to a change in the marginal cost...

and strong reputation concerns.