The first time was 2006, when Vietnam's GDP was barely $4,000 per capita in purchasing power parity terms and less than $1,000 at market exchange rates. Today it's close to $7,000 PPP and has more ...

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 ...

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 ...