China is not yet number one

Jeffrey Frankel, 9 May 2014



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.

Topics: Global economy
Tags: China, purchasing power parity, statistics, US

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

Martin Ravallion, 26 March 2010



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.

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

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