Long-Term Aspects of Environmental Quality

  • Horst Siebert


In our analysis thus far, we have studied environmental allocation in a static context. However, environmental systems are used not only by one generation, but by a number of generations. Today’s use of the environment may affect the role of the environment in the future. Consequently, the environmental-allocation problem also has to be interpreted over time.


Discount Rate Environmental Quality Future Generation Technical Progress Shadow Price 
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  1. 1.
    In equation 13.2 the case can obviously arise that, because of the exogenously given assimilative capacity Sa, more pollutants are assimilated than the stock of pollutants plus net emissions. This case must be excluded. This can be done by assuming that a constant part of the stock of pollutants is reduced. For simplicity, we assume equation 13.2. It should be noted that equation 13.2 in this chapter replaces equation 3.4. New pollutants do not disappear automatically at the end of a period; rather, they expire at the rate Sa.Google Scholar
  2. 2.
    The economic argument suggests that and there-fore , for states how a unit of pollution, put into the system at time t0, affects the present value of the welfare function. From 13B.4e it follows that (that is, μ is not Positive).Google Scholar
  3. 3.
    Noté that the capital value can be determined by the interest rate and interest revenue. For an interest rate of 6 percent and an interest revenue of $12 per period, the capital value amounts of $200 at the beginning of the period.Google Scholar
  4. 4.
    Note that the minus sign on the right hand side of equation 13.3 ensures that we measure the marginal prevented damage.Google Scholar
  5. 5.
    If the assimilative capacity is sufficiently large, the S = 0 curve would coincide with the horizontal axis and a penalty on pollution would not be necessary.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • Horst Siebert
    • 1
  1. 1.Kiel Institute of World EconomicsKiel 1Germany

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