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Prices, Production and Inventories over the Automotive Model Year

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  • Adam Copeland
  • Wendy Dunn
  • George Hall

Abstract

This paper studies the within-model-year pricing and production of new automobiles. Using new monthly data on U.S. transaction prices, we document that for the typical new vehicle, prices fall over the model year at a 9.2 percent annual rate. Concurrently, both sales and inventories are hump shaped. To explain these time series, we formulate a market equilibrium model for new automobiles in which inventory and pricing decisions are made simultaneously. On the demand side, we use micro-level data to estimate time-varying aggregate demand curves for each vehicle. On the supply side, we solve a dynamic programming model of an automaker that, while able to produce only one vintage of a product at a time, may accumulate inventories and consequently sell multiple vintages of the same product simultaneously. The profit maximizing pricing and production strategies under a build-to-stock inventory policy imply declining prices and hump-shaped sales and inventories of the magnitudes observed in the data. Further, roughly half of the price decline is driven by inventory control considerations, as opposed to decreasing demand.

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Bibliographic Info

Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11257.

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Date of creation: Apr 2005
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Publication status: published as Copeland, Adam, Wendy Dunn and George Hal (2007) “Prices, Production and Inventories over the Automotive Model Year.” FEDS Working Paper 2005-25
Handle: RePEc:nbr:nberwo:11257

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  1. Valerie A. Ramey & Daniel J. Vine, 2005. "Tracking the source of the decline in GDP volatility: an analysis of the automobile industry," Finance and Economics Discussion Series 2005-14, Board of Governors of the Federal Reserve System (U.S.).
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  14. John Rust & Hui Man Chan & George Hall, 2004. "Price Discrimination in the Steel Market," Econometric Society 2004 North American Summer Meetings 245, Econometric Society.
  15. Carol Corrado & Wendy Dunn & Maria Otoo, 2006. "Incentives and prices for motor vehicles: what has been happening in recent years?," Finance and Economics Discussion Series 2006-09, Board of Governors of the Federal Reserve System (U.S.).
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Cited by:
  1. Carol Corrado & Wendy Dunn & Maria Otoo, 2006. "Incentives and prices for motor vehicles: what has been happening in recent years?," Finance and Economics Discussion Series 2006-09, Board of Governors of the Federal Reserve System (U.S.).
  2. Guillermo Caruana & Liran Einav, 2006. "Production Targets," 2006 Meeting Papers 16, Society for Economic Dynamics.
  3. George Alessandria & Joseph Kaboski & Virgiliu Midrigan, 2008. "Inventories, lumpy trade, and large devaluations," Working Paper Series 2008-24, Federal Reserve Bank of San Francisco.
  4. Ashley Langer & Nathan H. Miller, 2008. "Automobile Prices, Gasoline Prices, and Consumer Demand for Fuel Economy," EAG Discussions Papers 200811, Department of Justice, Antitrust Division.
  5. Adam Copeland, 2008. "The Dynamics of Automobile Expenditures," 2008 Meeting Papers 852, Society for Economic Dynamics.
  6. Adam Copeland & George Hall, 2011. "The response of prices, sales, and output to temporary changes in demand," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 26(2), pages 232-269, March.
  7. Florian Zettelmeyer & Fiona Scott Morton & Jorge Silva-Risso, 2006. "Scarcity Rents in Car Retailing: Evidence from Inventory Fluctuations at Dealerships," NBER Working Papers 12177, National Bureau of Economic Research, Inc.
  8. Aizcorbe, Ana & Bridgman, Benjamin & Nalewaik, Jeremy, 2010. "Heterogeneous car buyers: A stylized fact," Economics Letters, Elsevier, vol. 109(1), pages 50-53, October.
  9. Chen, Jiawei & Esteban, Susanna & Shum, Matthew, 2010. "Do sales tax credits stimulate the automobile market?," International Journal of Industrial Organization, Elsevier, vol. 28(4), pages 397-402, July.

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