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Inventory Constraints in a Dynamic Model of Imperfect Competition: An Application to Beef Packing

Listed author(s):
  • Hunnicutt Lynn

    (Department of Economics, Utah State University, Logan, Utah, USA)

  • Aadland David

    (Department of Economics, Utah State University, Logan, Utah, USA)

This paper incorporates inventory dynamics into a standard conjectural variations analysis of market power. Using a model which incorporates closed-loop equilibrium strategies, we show that measures of market power that ignore inventory dynamics are biased. We then apply the model to the beef-packing industry using annual data on cattle stocks, slaughter and prices from 1933-1999. Our estimates suggest that static measures overestimate the amount of market power exerted by beef-packing firms.

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Article provided by De Gruyter in its journal Journal of Agricultural & Food Industrial Organization.

Volume (Year): 1 (2003)
Issue (Month): 1 (March)
Pages: 1-24

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Handle: RePEc:bpj:bjafio:v:1:y:2003:i:1:n:12
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  1. Stephen R. Koontz & Philip Garcia & Michael A. Hudson, 1993. "Meatpacker Conduct in Fed Cattle Pricing: An Investigation of Oligopsony Power," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 75(3), pages 537-548.
  2. A. Michael Spence, 1979. "Investment Strategy and Growth in a New Market," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 1-19, Spring.
  3. Jarvis, Lovell S, 1974. "Cattle as Capital Goods and Ranchers as Portfolio Managers: An Application to the Argentine Cattle Sector," Journal of Political Economy, University of Chicago Press, vol. 82(3), pages 489-520, May/June.
  4. James M. MacDonald & Michael E. Ollinger, 2001. "Scale Economies and Consolidation in Hog Slaughter: Reply," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(4), pages 1084-1086.
  5. David Aadland & DeeVon Bailey, 2001. "Short-Run Supply Responses in the U.S. Beef-Cattle Industry," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(4), pages 826-839.
  6. Mark J. Roberts & Larry Samuelson, 1988. "An Empirical Analysis of Dynamic, Nonprice Competition in an Oligopolistic Industry," RAND Journal of Economics, The RAND Corporation, vol. 19(2), pages 200-220, Summer.
  7. Sherwin Rosen, 1987. "Dynamic Animal Economics," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 69(3), pages 547-557.
  8. Sanjib Bhuyan & Rigoberto A. Lopez, 1997. "Oligopoly Power in the Food and Tobacco Industries," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(3), pages 1035-1043.
  9. Fershtman, Chaim & Kamien, Morton I, 1987. "Dynamic Duopolistic Competition with Sticky Prices," Econometrica, Econometric Society, vol. 55(5), pages 1151-1164, September.
  10. Dockner, Engelbert J, 1992. "A Dynamic Theory of Conjectural Variations," Journal of Industrial Economics, Wiley Blackwell, vol. 40(4), pages 377-395, December.
  11. James N. Trapp, 1986. "Investment and Disinvestment Principles with Nonconstant Prices and Varying Firm Size Applied to Beef-Breeding Herds," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 68(3), pages 691-703.
  12. Azzam, Azzeddine M, 1997. "Measuring Market Power and Cost-Efficiency Effects of Industrial Concentration," Journal of Industrial Economics, Wiley Blackwell, vol. 45(4), pages 377-386, December.
  13. Matthews, Kenneth H. Jr & Hahn, William F. & Nelson, Kenneth E. & Duewer, Lawrence A. & Gustafson, Ronald A., 1999. "U.S. Beef Industry: Cattle Cycles, Price Spreads, and Packer Concentration," Technical Bulletins 184374, United States Department of Agriculture, Economic Research Service.
  14. Pindyck, Robert S, 1985. "The Measurement of Monopoly Power in Dynamic Markets," Journal of Law and Economics, University of Chicago Press, vol. 28(1), pages 193-222, April.
  15. Baak, Saang Joon, 1999. "Tests for bounded rationality with a linear dynamic model distorted by heterogeneous expectations," Journal of Economic Dynamics and Control, Elsevier, vol. 23(9-10), pages 1517-1543, September.
  16. Nerlove, Marc & Fornari, Ilaria, 1998. "Quasi-rational expectations, an alternative to fully rational expectations: An application to US beef cattle supply," Journal of Econometrics, Elsevier, vol. 83(1-2), pages 129-161.
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