국제화물 혼재수송에 있어 수익 최대화를 위한 최적 운임 및 발송 시점 통합 결정에 관한 연구
Integrated Pricing and Time Decision for Maximizing Profit in International Cargo Groupage
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초록
본 논문에서는 국제화물의 혼재수송에 있어서 컨테이너의 높은 공실률을 개선하고 화주의 생산원가 절감에 따른 국제경쟁력 강화 및 운송인의 수익을 극대화하기 위하여, 고객의 수요에 대한 가격과 시간에 대한 변동성을 고려한 최적 운임 및 발송 시점 결정에 관한 방법론에 대해 연구하였다. 최적 운임 및 발송 시점 결정에 관한 수학 모델 및 알고리즘을 제시하였으며, 수치예체를 통하여 알고리즘 과정을 나타내었다. 변수 값에 대한 최적값의 영향을 살펴보기 위해 수치실험을 실시하였으며, 수치 실험 결과, 정기수요의 잠재수요보다 긴급수요의 잠재수요가 더 클 때, 제안된 기법이 더 효과적으로 나타났다.
Abstract
This paper studies an integrated pricing (fare) and time decision for maximizing profit in international cargo groupage. We assume that the demand is a function of the price and departure time, and develop a mathematical model for a given capacity to maximize the total profit. An efficient algorithm is provided to obtain the optimal prices, departure time and price change time. The solution procedure is illustrated using a numerical example. To examine the effect of the parameter values on the optimal solution, we conduct extensive numerical experiments and illustrate the results by graphical means. Numerical results show that a dynamic pricing is more profitable when a potential demand of an emergency demand is larger than that of a normal demand.
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