We investigate the empirical usefulness of a new measure of the degree of competition in a market, proposed by Boone (2000). This measure is based on the reduction in profits that firms experience as a result of cost inefficiencies. We compare this with measures commonly used by policy makers...

Standard models of international risk sharing with complete asset markets predict a positive association between relative consumption growth and real exchange-rate depreciations across countries. The striking lack of evidence for this link — the consumption/real exchange-rate anomaly or...