Most of the international macro models, in contrast to the data, imply a very high level of risk sharing across countries and very low real exchange rate (RER) volatility relative to output. In this paper we show that a standard two-country two-good model augmented with conintegrated TFP...

This paper analyzes the dynamics of risk premia, real exchange rates and portfolio movements in a two-country, two-good, two-bond model. We use an asymmetric set-up in the model, where one of the countries is emerging and the other one is developed and both countries issue bonds in domestic...

A prototypical vintage capital model of economic growth is developed, where the decision to replace old technologies with new ones is modeled explicitly. Technological change is investment specific. Depreciation in this environment is an economic , not a physical concept.

Was 1994 a watershed ? It saw an inrease in the rate of technological change in the production of new equipment. It was the start of a sharp rise in income inequality. It signaled the beginning of the productivity slowdown. Were these phenomena related? Could they have been the result of an...