This paper asks how well Okun's Law fits short-run unemployment movements in the United States since 1948 and in twenty advanced economies since 1980. We find that Okun's Law is a strong and stable relationship in most countries, one that did not change substantially during the Great Recession....

We demonstrate how capital account and trade account liberalizations help reduce inefficiencies associated with the fluctuations in the output gap, relative to the inefficiencies associated with the fluctuations in inflation. With capital account liberalization the representative household is...

This paper explores the effect of news shocks on the current account and other macroeconomic variables using worldwide giant oil discoveries as a directly observable measure of news shocks about future output–the delay between a discovery and production is on average 4 to 6 years. We first...