We propose a simple saving-based measure of the cyclical component in GDP. The measure is motivated by the prediction that the represenative consumer changes savings in response to temporary deviations of income from its stochastic trend, while satisfying a present-value budget constraint. To...

This paper reviews three important issues in the literature on international and intranational risk sharing. First, we establish a comprehensive set of stylized facts for consumption risk sharing within and across countries. Consistent with the findings in the literature, we find that the...

In this paper, we argue that differences in the cost structure across sectors play an important role in the decision of firms to adjust their prices. We develop a menu cost model of pricing in which retail firms intermediate trade between producers and consumers. An important facet of our...

We use a unique panel of retail prices spanning 123 cities in 79 countries from 1990 to 2005, to uncover six novel properties of long-run international price dispersion. First, at the PPP level, virtually all (91.6%) of price dispersion is attributed to service-sector wages, consistent with a...