Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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Optimal Road Congestion Pricing under Inter-dependent Market Conditions (Theoretical Review)

상호의존적 교통시장하의 최적 도로혼잡통행료 연구(이론적 고찰)

  • Published : 2006.12.31
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Abstract

In order to incorporate substitution effects between different transport modes in optimal road Pricing, relating economic theories and models have been reviewed. It includes unconstrained optimization problem of maximizing separable and non-separable social net benefit functions of different substitutable urban transport modes. In doing that, the problem and limitations such as path-independent conditions with the asymmetric Jacobian of the objective function have been reviewed. Consequently, a plausible way of deriving optimal road price under interdependent market conditions has been suggested so that the idea can help identifying desirable and acceptable urban transport policy alternatives in a more comprehensive way.

도로교통혼잡비용에 대하여 단일시장모형, 내지는 승용차만이 존재하는 경우를 가정한 기존 모형과 이론이 갖는 한계점을 보완할 수 있는 대안으로서 대체적 관계인 승용차와 버스의 두개 교통수단이 존재하는 상호의존적 교통시장 하에서 최적 도로교통혼잡비용 산정에 대하여 연구하였다. 연구를 위하여 사회적 후생 극대화 문제의 이론적 배경인 소비자잉여 극대화문제 등 관련 교통경제학적 이론 및 문제점을 검토하고, 이 경우 목적함수인 사회적 후생함수가 교통수간의 대체효과를 감안하여 비분리 (non-separable)적이고 그 자코비안이 비대칭 (asymmetric)인 경우 적분경로의 문제등 제반 문제점 및 제약조건에 대한 이론적 검토가 수행되었다 이를 기초로 도로교통흔잡비용의 이론적 배경 및 수리 문제화에 대한 검토와 실현 가능한 상호의존적 교통시장 하에서 최적 도로교통혼잡비용을 산정하는 방법 및 그 의미에 대하여 검토 제시하였다.

Keywords

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