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Working to Improve Price Indices Development in Pakistan

Author

Listed:
  • Mahmood Khalid

    (Pakistan Institute of Development Economics, Islamabad.)

  • Zahid Asghar

    (Quaid-i-Azam University, Islamabad.)

Abstract

Given the importance of Consumer Price Index (CPI), there has been long debate on its measurement issues. It is the best and most well-known indicator of inflation, which is further used for evaluating the monetary and fiscal policy of a country. Other uses of CPI for indexation are social security benefits, rents, contractual payments, taxation, deflating national income accounts, purchasing power parity index, inflation incidence for different income groups of population, impact of inflation on demographic composition of the population. Any measurement error in CPI may overstate or understate inflation that will have serious repercussions for monetary, fiscal and other economic policies. The report of the Boskin Commission [Boskin, et al. (1996)] has identified possible sources of bias in the CPI like substitution bias, outlet bias, quality bias, new product bias. In this paper we have tried to evaluate these biases and to start a debate on improving Consumer Price Index (CPI) construction in Pakistan. We found that there are biases of Commodity Substitution Bias, Outlet Substitution Bias, Quality Adjustment Bias, Index Calculation Bias and New Product Bias. Other limitations for the CPI index including; Issue of selecting a representative product (or good), Defining issue of average quality, Data collection, weights determination and Base year change were also found.

Suggested Citation

  • Mahmood Khalid & Zahid Asghar, 2010. "Working to Improve Price Indices Development in Pakistan," PIDE-Working Papers 2010:62, Pakistan Institute of Development Economics.
    • Handle: RePEc:pid:wpaper:2010:62
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    References listed on IDEAS

    as
    1. Shiratsuka, Shigenori, 1999. "Measurement Errors in the Japanese Consumer Price Index," Monetary and Economic Studies, Institute for Monetary and Economic Studies, Bank of Japan, vol. 17(3), pages 69-102, December.
    2. Michael J. Boskin, 1998. "Consumer Prices, the Consumer Price Index, and the Cost of Living," Journal of Economic Perspectives, American Economic Association, vol. 12(1), pages 3-26, Winter.
    3. Angus Deaton, 1998. "Getting Prices Right: What Should Be Done?," Journal of Economic Perspectives, American Economic Association, vol. 12(1), pages 37-46, Winter.
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    Cited by:

    1. Zafar, Raja Fawad & Qayyum, Abdul & Ghouri, Saghir Pervaiz, 2015. "Forecasting Inflation using Functional Time Series Analysis," MPRA Paper 67208, University Library of Munich, Germany.

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    More about this item

    Keywords

    Consumer Price Index; Biases in CPI; CPI Formulae;
    All these keywords.

    JEL classification:

    • C43 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Index Numbers and Aggregation
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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