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Measuring Oligopsony Power with Shadow Prices: U.S. Markets for Pulpwood and Sawlogs

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  • Murray, Brian C

Abstract

Empirical estimation of input market power hindered by problems in measuring an input's value of marginal product (VMP). By estimating a variable profit function system, however, one can infer a factor's VMP through its shadow price. This technique is used here to specify a structural equation system, which is estimated using time series data for the U.S. sawmilling and paper industries, to empirically measure the degree of oligopsony power for sawlog and pulpwood inputs respectively. Results evaluated at sample means indicate that pulpwood markets are more oligopsonistic than sawlog markets, though both perform closer to perfect competition than monopsony. Time trends for market power differ for each product and perfect competition cannot be rejected for sawlogs in later years. Copyright 1995 by MIT Press.

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  • Murray, Brian C, 1995. "Measuring Oligopsony Power with Shadow Prices: U.S. Markets for Pulpwood and Sawlogs," The Review of Economics and Statistics, MIT Press, vol. 77(3), pages 486-498, August.
  • Handle: RePEc:tpr:restat:v:77:y:1995:i:3:p:486-98
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    Cited by:

    1. Aguilar, Francisco X., 2009. "Spatial econometric analysis of location drivers in a renewable resource-based industry: The U.S. South Lumber Industry," Forest Policy and Economics, Elsevier, vol. 11(3), pages 184-193, May.
    2. Mälkönen, Ville, 2006. "Optimal forest conservation: The role of green-image demand and investments," Journal of Forest Economics, Elsevier, vol. 12(1), pages 51-73, March.
    3. Muhammad, Andrew, 2006. "Measuring the Degree of Monopsony Power in the EU Fish Importing Industry: Implications for Ugandan Fresh and Chilled Fish Fillet Exports," 2006 Annual Meeting, February 5-8, 2006, Orlando, Florida 35455, Southern Agricultural Economics Association.
    4. Stordal, Stale, 2004. "Impacts of the European Economic Area Agreement on the structure and concentration of roundwood sales in Norway," Forest Policy and Economics, Elsevier, vol. 6(1), pages 49-62, January.
    5. Simona BIGERNA & Carlo Andrea BOLLINO & Maria Chiara D'ERRICO & Paolo POLINORI, 2015. "Competitive Equilibrium in the Italian Wholesale Electricity Market," Working papers of the Department of Economics - University of Perugia (IT) 0017/2015, Università di Perugia, Dipartimento Economia.
    6. Sandra Rodríuez Piñeros & David K. Lewis, 2005. "Estimating the Imperfection in Sawtimber markets: a case study for the South Pacific Region, Colombia," Lecturas de Economía, Universidad de Antioquia, Departamento de Economía, issue 63, pages 231-260, Julio-Dic.
    7. Perekhozhuk, Oleksandr, 2007. "Marktstruktur und Preisbildung auf dem ukrainischen Markt für Rohmilch," Studies on the Agricultural and Food Sector in Transition Economies, Leibniz Institute of Agricultural Development in Transition Economies (IAMO), volume 41, number 92322.
    8. Fernandez, Ignacio del Rosal, 2000. "How costly is the maintenance of the coal-mining jobs in Europe? The Spanish case 1989-1995," Energy Policy, Elsevier, vol. 28(8), pages 537-547, July.
    9. Stordal, Stale & Nyrud, Anders Q., 2003. "Testing roundwood market efficiency using a multivariate cointegration estimator," Forest Policy and Economics, Elsevier, vol. 5(1), pages 57-68, January.
    10. Hamilton, Stephen F., 1999. "Demand shifts and market structure in free-entry oligopoly equilibria," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 259-275, February.

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