There is probably no concept other than saving for which U.S. official agencies issue annual estimates that differ by more than a third, as they have done for net household saving, or for which reputable scholars claim that the correct measure is close to ten times the officially published one....

In this timely volume emanating from the National Bureau of Economic Research's program in international economics, leading economists address recent developments in three important areas. The first section of the book focuses on international comparisons of output and prices, and includes...