Exact Hedonic Price Indexes
The purpose of this paper is to identify conditions under which hedonic price indexes provide an exact measure of consumer welfare. Our results provide a rationale for existing practices in the case where prices equal marginal costs. In that case, both the marginal value of characteristics and a fixed-weight price index can be estimated from a hedonic regression. Using the marginal value of characteristics, we show how to construct bounds on the exact hedonic price index. When prices are above marginal costs then our bounds still apply, but the value of characteristics cannot be measured so easily. Since the price-cost markups are an omitted variable in the hedonic regression, they will bias the coefficients obtained. For a special class of utility functions, we argue that a linear regression will still provide a measure of the marginal value of characteristics, but a log-linear regression will overstate these values.
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|Date of creation:||1995|
|Contact details of provider:|| Postal: University of California Davis - Department of Economics. One Shields Ave., California 95616-8578|
Phone: (530) 752-0741
Fax: (530) 752-9382
Web page: http://www.econ.ucdavis.edu/
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- Pollak, Robert A., 1983. "The treatment of `quality' in the cost of living index," Journal of Public Economics, Elsevier, vol. 20(1), pages 25-53, February.
- Zvi Griliches, 1991.
"Hedonic Price Indexes and the Measurement of Capital and Productivity: Some Historical Reflections,"
in: Fifty Years of Economic Measurement: The Jubilee of the Conference on Research in Income and Wealth, pages 185-206
National Bureau of Economic Research, Inc.
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- Swan, Peter L, 1970. "Durability of Consumption Goods," American Economic Review, American Economic Association, vol. 60(5), pages 884-894, December.
- Goldberg, Pinelopi Koujianou, 1995. "Product Differentiation and Oligopoly in International Markets: The Case of the U.S. Automobile Industry," Econometrica, Econometric Society, vol. 63(4), pages 891-951, July.
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- Bresnahan, Timothy F., 1981. "Departures from marginal-cost pricing in the American automobile industry : Estimates for 1977-1978," Journal of Econometrics, Elsevier, vol. 17(2), pages 201-227, November.
- Caplin, Andrew & Nalebuff, Barry, 1991. "Aggregation and Imperfect Competition: On the Existence of Equilibrium," Econometrica, Econometric Society, vol. 59(1), pages 25-59, January.
- Andrew Caplin & Barry Nalebuff, 1990. "Aggregation and Imperfect Competition: On the Existence of Equilibrium," Cowles Foundation Discussion Papers 937, Cowles Foundation for Research in Economics, Yale University.
- Rosen, Sherwin, 1974. "Hedonic Prices and Implicit Markets: Product Differentiation in Pure Competition," Journal of Political Economy, University of Chicago Press, vol. 82(1), pages 34-55, Jan.-Feb..
- Jones, Larry E, 1988. "The Characteristics Model, Hedonic Prices, and the Clientele Effect," Journal of Political Economy, University of Chicago Press, vol. 96(3), pages 551-567, June.
- Diewert, W. E., 1976. "Exact and superlative index numbers," Journal of Econometrics, Elsevier, vol. 4(2), pages 115-145, May.
- Berry, Steven & Levinsohn, James & Pakes, Ariel, 1995. "Automobile Prices in Market Equilibrium," Econometrica, Econometric Society, vol. 63(4), pages 841-890, July.
- Milgrom, Paul & Roberts, John, 1990. "Rationalizability, Learning, and Equilibrium in Games with Strategic Complementarities," Econometrica, Econometric Society, vol. 58(6), pages 1255-1277, November.
- Andrew B. Abel, 1983. "Market Structure and the Durability of Goods," Review of Economic Studies, Oxford University Press, vol. 50(4), pages 625-637.
- Robert C. Feenstra, 1993. "Measuring the Welfare Effect of Quality Change: Theory and Application of Japanese Autos," NBER Working Papers 4401, National Bureau of Economic Research, Inc.
- Sato, Kazuo, 1976. "The Ideal Log-Change Index Number," The Review of Economics and Statistics, MIT Press, vol. 58(2), pages 223-228, May. Full references (including those not matched with items on IDEAS)
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