The other uses the purchasing power parity (PPP) exchange rate—the rate at which the ... in PPP rates China contributes more to global growth than all advanced economies combined (see chart). Which ...

Purchasing power parity (PPP) is an economic theory that posits that goods and services should cost the same amount everywhere once currencies are exchanged. In other words, one U.S. dollar should ...

One snag in applying this theory is finding exactly the same things to purchase in both countries. McDonald’s solves that ...

A method to allow for comparison of household purchasing power across countries, adjusting for price differences. PPPs compare the purchasing power of monetary units in different countries. A PPP ...