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Efficiency of Transportation Policies from the General Equilibrium Perspective (The Cases of Congestion Tax and Marginal Cost Pricing)  

김종석 (한국해양대학교 국제무역경제학부)
Publication Information
Journal of Korean Society of Transportation / v.20, no.4, 2002 , pp. 95-107 More about this Journal
Abstract
Congestion and increasing returns to scale in the use of and in the provision of transportation facilities have been biggest challenges to policy makers. In order to counter these problems and thereby to promote economic efficiency, optimal congestion tax and marginal cost pricing are separately and strongly recommended for each case. In this paper, however, we show that they are valid only in Partial equilibrium context in which only the corresponding market is considered. We set up a formal general equilibrium model and prove that the recommended policies are not in general effective. We continue to give particular examples which show the invalidity of each policy and continue to show that in the same examples, there exist better but unconventional policies. Based on these findings we strongly suggest to employ quantify restricting policy measure or to find second-best pricing policies.
Keywords
일반균형;부분균형 혼잡세;한계비용요금정책;빠레토 효율성;빠레토 개선정책;
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