China is not yet number one

Jeffrey Frankel 09 May 2014

a

A

Widespread recent reports have trumpeted: “China to overtake US as top economic power this year.” The claim is basically wrong. The US remains the world’s largest economic power by a substantial margin.

a

A

Topics:  Global economy

Tags:  US, China, purchasing power parity, statistics

Why have developing-country data on real incomes been revised so much?

Martin Ravallion 26 March 2010

a

A

The International Comparison Program (ICP) collects the survey data on prices across countries that are used to estimate Purchasing Power Parity exchange rates (PPPs for short). These are then used to make international comparisons of real incomes and for other purposes, including measuring global poverty and inequality.

a

A

Topics:  Development

Tags:  GDP, World Bank, data, purchasing power parity

Events