越境汚染下における民営化の厚生効果

概要

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This paper analyzes the welfare effect of the privatization of the polluting firm under the situation in which the transboundary pollution exists. The paperʼs characteristic is considering the situation that the degree of the influence that the exhaust of the pollution emission effectson the environment can take various levels. This paper makes the following conclusions.When the effect that emission gives the environmental damage is small (large), theprivatization will decrease (increase) the output of the good in the region. These results are unlike those in previous studies. With regard to the problem of the optimal policy decision of the government, this paper demonstrates the following. When the effect that emission gives the environmental damage is small (large), the optimal policy decision of the government isthe (not) privatization. Moreover, when the effect is very small, the optimal policy decision of the government is the not privatization.