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901.
Horst Siebert 《Kyklos》1977,30(4):657-673
The paper analyzes the trade-off between environmental quality and the gains from trade. For a world with pollutants as a joint product of output it is shown that gains from trade by exporting a pollution-intensively produced commodity are accompanied by a loss of environmental quality and that improving environmental quality will adversely affect the gains from trade. The paper analyzes with a two sector model which adjustment processes occur, if a country untertakes environmental policy. The results are explained diagrammatically. A condition is specified for a positive change in welfare from environmental policy taking into consideration the reduction in the gains from trade. Finally, the paper suggests that in an open economy emission taxes have to be set according to the same rule as in a closed economy, namely in the optimum the emission tax must equal marginal environmental damage prevented. 相似文献
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In this paper we apply a simulation model of a village economy in Guizhou province, China, to assess impacts of trade reform at the household and the village level under alternative land market regimes. Putting special emphasis on the modeling of household migration a trade reform scenario is simulated with and without the existence of a land rental market in the village.Significant impacts of the land market on the policy outcome regarding household production, income and welfare are found. The possibility to trade land within the village leads to increasing specialization into agriculture and migration among the households as a response to the policy shock. In a situation with a land market, incomes of households which expand agricultural production are less negatively affected by trade reform than incomes of households which migration more.At the village level, a land market does not influence the poverty outcome of the reform but reduces its inequality enhancing impact. Village migration and exports of agricultural outputs increase. 相似文献
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