How should we measure changes in an economy's standard of living, or compare living standards across countries? Typically, economists use GDP per capita as a proxy for a country's standard of living, ...

Learn how GDP measures U.S. economic growth and its role in policy and budget planning by the Bureau of Economic Analysis.

Paul Allin is a member of the UK National Statistician's Expert User Advisory Committee and he is the Royal Statistical Society's Honorary Officer for National Statistics. Views expressed in this ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...