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Using Engel Curves to Measure CPI Bias for Indonesia

Author

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  • Susan Olivia

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  • John Gibson

Abstract

To measure real income growth over time a price index is needed to adjust for changes in the cost of living. The Consumer Price Index (CPI) is often used for this task but studies from several countries show the CPI is a biased measure of changes in the cost of living, leading to potentially wrong estimates of the rate of growth of real income in this paper CPI bias for Indonesia is calculated by estimating food Engel curves for households with the same level of CPI-deflated incomes at four different points in time between 1993 and 2008. The results suggest CPI bias was initially negative during the Asian Crisis but has been positive since 2000. Over the entire period, CPI bias has averaged four precent annually, equivalent to almost one third of the measured inflation rate.

Suggested Citation

  • Susan Olivia & John Gibson, 2012. "Using Engel Curves to Measure CPI Bias for Indonesia," Monash Econometrics and Business Statistics Working Papers 13/12, Monash University, Department of Econometrics and Business Statistics.
  • Handle: RePEc:msh:ebswps:2012-13
    as

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    File URL: http://business.monash.edu/econometrics-and-business-statistics/research/publications/ebs/wp13-12.pdf
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    References listed on IDEAS

    as
    1. Garry F. Barrett & Matthew Brzozowski, 2010. "Using Engel Curves to Estimate the Bias in the Australian CPI," The Economic Record, The Economic Society of Australia, vol. 86(272), pages 1-14, March.
    2. Frankenberg, E. & Thomas, D. & Beegle, K., 1999. "The Real Costs of Indonesia's Economic Crisis: Preliminary Findings from the Indonesia Family Life Surveys," Papers 99-04, RAND - Labor and Population Program.
    3. Timothy Beatty & Erling Røed Larsen, 2005. "Using Engel curves to estimate bias in the Canadian CPI as a cost of living index," Canadian Journal of Economics, Canadian Economics Association, vol. 38(2), pages 482-499, May.
    4. Gibson, John & Stillman, Steven & Le, Trinh, 2008. "CPI bias and real living standards in Russia during the transition," Journal of Development Economics, Elsevier, vol. 87(1), pages 140-160, August.
    5. Filho, Irineu de Carvalho & Chamon, Marcos, 2012. "The myth of post-reform income stagnation: Evidence from Brazil and Mexico," Journal of Development Economics, Elsevier, vol. 97(2), pages 368-386.
    6. John Gibson & Grant Scobie, 2010. "Using Engel curves to estimate CPI bias in a small, open, inflation-targeting economy," Applied Financial Economics, Taylor & Francis Journals, vol. 20(17), pages 1327-1335.
    7. Asep Suryahadi & Sudarno Sumarto & Lant Pritchett, 2003. "Evolution of Poverty During the Crisis in Indonesia," Asian Economic Journal, East Asian Economic Association, vol. 17(3), pages 221-241, September.
    8. Chul Chung & John Gibson & Bonggeun Kim, 2010. "CPI Mismeasurements and Their Impacts on Economic Management in Korea," Asian Economic Papers, MIT Press, vol. 9(1), pages 1-15, Winter/Sp.
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    Blog mentions

    As found by EconAcademics.org, the blog aggregator for Economics research:
    1. Is the Indonesian CPI an accurate measure of the cost of living?
      by Susan Olivia in East Asia Forum on 2012-08-11 17:00:07

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    Cited by:

    1. Ingvild Almås & Anders Kjelsrud & Rohini Somanathan, 2013. "A Behaviour-based Approach to the Estimation of Poverty in India," CESifo Working Paper Series 4122, CESifo Group Munich.

    More about this item

    Keywords

    CPI bias; Engel curved; Inflation Measurement error;

    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

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