The Hedonic Country Product Dummy Method and Quality Adjustments for Purchasing Power Parity Calculations

The 2005 International Comparison Program's (ICP) estimates of economy-wide purchasing power parity (PPP) are based on parity estimates for 155 basic expenditure headings, mainly estimated using country product dummy (CPD) regressions. The estimates are potentially inefficient and open to omitt...

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Bibliographic Details
Main Author: Silver, Mick
Format: eBook
Language:English
Published: Washington, D.C. International Monetary Fund 2009
Series:IMF Working Papers
Subjects:
Online Access:
Collection: International Monetary Fund - Collection details see MPG.ReNa
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651 4 |a United States 
653 |a National Government Expenditures and Related Policies: Infrastructures 
653 |a Inflation 
653 |a Labour 
653 |a Public finance & taxation 
653 |a Silver 
653 |a Deflation 
653 |a Purchasing power parity 
653 |a Currency 
653 |a Other Public Investment and Capital Stock 
653 |a Investments: Metals 
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653 |a Price Level 
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653 |a Prices 
653 |a Macroeconomics 
653 |a Investment & securities 
653 |a Public investment and public-private partnerships (PPP) 
653 |a Public Finance 
653 |a Price adjustments 
653 |a Foreign exchange 
653 |a Income economics 
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520 |a The 2005 International Comparison Program's (ICP) estimates of economy-wide purchasing power parity (PPP) are based on parity estimates for 155 basic expenditure headings, mainly estimated using country product dummy (CPD) regressions. The estimates are potentially inefficient and open to omitted variable bias for two reasons. First, they use average prices across outlets as the left-hand-side variable. Second, quality-adjusted prices of non-comparable replacements, required when products in outlets do not match the required specifications, cannot be effectively included. This paper provides an analytical framework based on panel data and hedonic CPD regressions for ameliorating these sources of bias and inefficiency