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Journal Article
How good is PPP?
Conference Paper
Risk, inflation and exchange rates
Journal Article
Will China ever become as rich as the U.S.?
Twenty years ago, a visitor to Beijing would have been struck by the bicycle?s popularity as a form of mass transportation. Today, auto congestion and pollution on the increasingly clogged roads of China?s capital city are pervasive features. In a little more than three decades, China has transformed itself from a largely closed agrarian society to an urban exporting nation commonly viewed as the workshop of the world. ; At current growth rates, China will be the world?s largest economy sometime in the next decade. But will it ever be the richest? Though providing a definitive answer is ...
Journal Article
The influence of real factors on exchange rates
Working Paper
Aggregation and the PPP puzzle in a sticky-price model
We study the purchasing power parity (PPP) puzzle in a multi-sector, two-country, sticky- price model. Across sectors, firms differ in the extent of price stickiness, in accordance with recent microeconomic evidence on price setting in various countries. Combined with local currency pricing, this leads sectoral real exchange rates to have heterogeneous dynamics. We show analytically that in this economy, deviations of the real exchange rate from PPP are more volatile and persistent than in a counterfactual one-sector world economy that features the same average frequency of price changes, and ...
Journal Article
The growing significance of purchasing power parity
The principle of purchasing power parity is central to the theoretical underpinnings of the analysis of many trade issues, but up until recently, there was little evidence that PPP held in the long run. Current research has changed that. The key to finding the evidence was realizing how to test for a long-run effect given the fact that exchange rates adjust to their long-run levels in a nonlinear way.
Journal Article
Britain's borrowed time
Journal Article
Understanding trends in foreign exchange rates
Conference Paper
Purchasing power parity as a monetary standard
Journal Article
$ Canadian: an exception