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, ...

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 ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gross national product (GNP) is a slightly ...

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 ...