주문인도기간 변동성이 제품 및 부품 시장 수요를 갖는 제조 기업의 수익 관리에 미치는 영향 분석
The impact of lead time variability on the revenue management of a firm with product and components demands
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초록
본 논문은 계획 생산 방식으로 제품을 생산하는 제조 기업이 제품 수요와 부품 수요를 동시에 갖는 상황을 다루고 있다. 제품 생산에 필요한 부품은 공급업체로부터 조달받으며, 주문인도기간은 Erlang분포를 따른다. 확보된 부품은 제품 생산뿐만 아니라 부품 시장 수요를 위해 사용되어져야 한다. 따라서 제조 기업은 부품 재고를 배급해야 하는 문제에 직면하게 된다. 또한, 재고 배급 문제 이외에도 기업은 제품 생산과 부품 보충을 위한 의사 결정을 해야 한다. 본 논문은 주문인도기간 변동성이 제품 생산, 부품 보충, 그리고 부품 수요 통제 전략에 미치는 영향을 분석하였다. 또한, 본 논문은 수치 실험을 통해 주문인도기간의 변동성이 기업의 수익과 주문량에 미치는 영향을 분석하였다.
Abstract
This paper considers a make-to-stock firm that has both product and component demands. Components required in manufacturing products are acquired from the supplier whose lead time process follows an Erlang distribution. In addition to the internal demand from the MTS production, the firm faces demands from the component market, which raises the issue of inventory rationing. In addition to this, the firm also faces the decision of production and inventory replenishment. This paper examines how the lead time variability can affect the MTS production, component replenishment, and component demand controls. This paper also investigates the impact of lead time variability on the firm's profit via a numerical experiment and studies how the optimal average profit and the optimal order quantity are changed by the lead time variability.
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