This paper examines the controversy involving international trade by employing a simple model. It analyzes the effects of unilateral technological improvements in one entity on the welfare of that entity and its trading partners. Improvements in one country are irreversible and lead to...

This paper shows, using a simple model, that wasteful innovations may result in a loss-loss situation where no country experiences an increase in welfare. If some countries introduce innovations that result in harmful effects on other countries, it may cause the adversely affected countries to...

Building on recent work on the role of speculation and inventories in oil markets, we embed a competitive oil storage model within a DSGE model of the U.S. economy. This enables us to formally analyze the impact of a (speculative) storage demand shock and to assess how the effects of various...