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Another reconciliation between economists and forestry experts: OLG-arguments

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  • Karl-Gustaf Löfgren

Abstract

Foresters often claim that the goal of good forest policy is to have a sustained forest yield, or even a maximum sustainable yield. They also claim that people wish to save a few extra trees for their children. This bequest motive is not modelled in the standard approach to the optimal rotation problem. In this paper, we present a standard version of an overlapping generation model augmented with a simple tree technology. We show in particular that the market equilibrium can be dynamically inefficient, and that a bequest motive in terms of trees can correct for the overaccumulation of capital that causes the inefficiency. The bequest motive also enables us to account for a harvesting intensity varying with age (young people typically cut more than elderly people) in spite of a perfect capital market. The crux of the argument is that a bequest motive is likely to increase the equilibrium interest rate and move the economy away from a maximum sustainable yield policy. It, however, improves efficiency and is able to explain empirical regularities that are not easily explained by a traditional perfect capital market approach to forestry. Copyright Kluwer Academic Publishers 1991

Suggested Citation

  • Karl-Gustaf Löfgren, 1991. "Another reconciliation between economists and forestry experts: OLG-arguments," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 1(1), pages 83-95, March.
    • Handle: RePEc:kap:enreec:v:1:y:1991:i:1:p:83-95
    DOI: 10.1007/BF00305952
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    References listed on IDEAS

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    1. Cass, David, 1972. "On capital overaccumulation in the aggregative, neoclassical model of economic growth: A complete characterization," Journal of Economic Theory, Elsevier, vol. 4(2), pages 200-223, April.
    2. Paul A. Samuelson, 1958. "An Exact Consumption-Loan Model of Interest with or without the Social Contrivance of Money," Journal of Political Economy, University of Chicago Press, vol. 66, pages 467-467.
    3. Kemp, Murray C & Long, Ngo Van, 1979. "The Under- Exploitation of Natural Resources: A Model with Overlapping Generations," The Economic Record, The Economic Society of Australia, vol. 55(150), pages 214-221, September.
    4. Balasko, Yves & Cass, David & Shell, Karl, 1980. "Existence of competitive equilibrium in a general overlapping-generations model," Journal of Economic Theory, Elsevier, vol. 23(3), pages 307-322, December.
    5. Samuelson, Paul A, 1976. "Economics of Forestry in an Evolving Society," Economic Inquiry, Western Economic Association International, vol. 14(4), pages 466-492, December.
    6. Olivier Jean Blanchard & Stanley Fischer, 1989. "Lectures on Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262022834, December.
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    Cited by:

    1. Thomas Wagner, 1998. "Limits and Cycles of Environmental Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 11(2), pages 155-175, March.
    2. Gregroy Amacher & Richard Brazee & Erkki Koskela & Markku Ollikainen, 1999. "Taxation, Bequests, and Short and Long Run Timber Supplies: An Overlapping Generations Problem," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 13(3), pages 269-288, April.

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