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Extrapolating PPPs between Benchmarks and Estimation of PPPs for Non Benchmark Countries

In order to meet data user demands, PPPs for years between benchmark periods are provided in the World Development Indicators.  These extrapolations are based on GDP growth rates. Different procedures are used by the Penn World Tables which bring in come cost of living data as well. In addition, PPPs are imputed for non benchmark countries.

The TAG working group and the Global Office examined the possile improvements for the extrapolation method and proposed a new approach.

Research Item 09: Extrapolating PPPs between benchmarks and estimation of PPPs for non benchmark countries

Source

Title

ICP Book

Extrapolating PPPs and Comparing ICP Benchmark Results 

TAG07

Extrapolating PPPs and Comparing ICP Benchmark Results

TAG07

Consumer Price Indexes, Purchasing Power Parity Exchange Rates, and UpdatingPresentation

TAG07

Price Levels and Economic Growth

TAG07

Extrapolating ICP Data and PPPsPresentation

TAG06

Price Levels and Economic Growth: Making Sense of Revisions to Data on Real Incomes, Martin Ravallion 

TAG06

Understanding changes in PPPs over time: A proposal for the Extrapolation of PPPs for Household Consumption using CPI data, Luigi Biggeri and Tiziana Laureti 

TAG06

Some background on the moving ICP benchmark results to other years, Alan Heston 

TAG02

Estimation of PPPs for Non-Benchmark Economies for the 2005 ICP Round 




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