This paper examines the structure of international relative price levels using purchasing power parities (PPP) at the product-level from the 2005 World Bank’s International Comparison Program (ICP). Our examination is motivated by questions arising from two applications using economy-wide...

One cannot exaggerate the importance of estimating how international trade responds to changes in income and prices. But there is a tension between whether one should use models that fit the data but that contradict certain aspects of the underlying theory or models that fit the theory but...