Price, unit value, and quality demanded
Given the paucity of quality price data, it is common to rely on "unit value" (average expenditure per unit) as a proxy for price, but this is an imperfect proxy if households respond to price increases by substituting to lower quality goods. This paper draws on survey data that contain both unit value and price to estimate the severity of quality substitution in Indonesia, finding that it is prevalent. The paper next calculates price elasticities that correct for quality substitution, evaluating and ultimately rejecting a commonly used method for calculating price elasticities using only unit value data. Finally, it demonstrates that quality substitution can result in biased price elasticities even when price is perfectly observed.
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- Deaton, Angus, 1990.
"Price elasticities from survey data : Extensions and Indonesian results,"
Journal of Econometrics,
Elsevier, vol. 44(3), pages 281-309, June.
- Deaton, A., 1988. "Price Elasticities From Survey Data: Extensions And Indonesian Results," Papers 138, Princeton, Woodrow Wilson School - Development Studies.
- Deaton, A., 1990. "Price Elasticities From Surveys Data: Extensions And Indonesian Results," Papers 69, World Bank - Living Standards Measurement.
- James Banks & Richard Blundell & Arthur Lewbel, 1997. "Quadratic Engel Curves And Consumer Demand," The Review of Economics and Statistics, MIT Press, vol. 79(4), pages 527-539, November.
- Deaton, Angus, 1988. "Quality, Quantity, and Spatial Variation of Price," American Economic Review, American Economic Association, vol. 78(3), pages 418-430, June.
- Deaton, A., 1988. "Quality, Quantity, And Spatial Variation Of Price," Papers 30, World Bank - Living Standards Measurement.
- Nelson, Julie A, 1990. "Quantity Aggregation in Consumer Demand Analysis When Physical Quantities Are Observed," The Review of Economics and Statistics, MIT Press, vol. 72(1), pages 153-156, February.
- Christensen, Laurits R & Jorgenson, Dale W & Lau, Lawrence J, 1975. "Transcendental Logarithmic Utility Functions," American Economic Review, American Economic Association, vol. 65(3), pages 367-383, June.
- Abbi Mamo Kedir, 2005. "Estimation of Own- and Cross-price Elasticities using Unit Values: Econometric Issues and Evidence from Urban Ethiopia," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 14(1), pages 1-20, March.
- repec:pri:rpdevs:deaton_pppp_version_aug_06 is not listed on IDEAS
- John Gibson & Scott Rozelle, 2005. "Prices and Unit Values in Poverty Measurement and Tax Reform Analysis," World Bank Economic Review, World Bank Group, vol. 19(1), pages 69-97.
- Gracia, A. & Albisu, Luis Miguel, 1998. "The demand for meat and fish in Spain: Urban and rural areas," Agricultural Economics of Agricultural Economists, International Association of Agricultural Economists, vol. 19(3), December.
- Gracia, A. & Albisu, L. M., 1998. "The demand for meat and fish in Spain: Urban and rural areas," Agricultural Economics, Blackwell, vol. 19(3), pages 359-366, December.
- Deaton, Angus S & Muellbauer, John, 1980. "An Almost Ideal Demand System," American Economic Review, American Economic Association, vol. 70(3), pages 312-326, June. Full references (including those not matched with items on IDEAS)
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