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Simulation을 이용한 JIT 재고모형과 (s,S) 재고모형의 비교
최민철(Mincheol Choi),박준철(Junchul Park),송한식(Hansik Song) 동아대학교 경영문제연구소 2007 經營論叢 Vol.28 No.-
Current production systems changing from mass production to small quantity production with advantages of production equipments, Accordingly, the inventories of the system has the larger effect on the operations of the systems, Therefore it is interesting to compare inventory models in accordance with business system"s environment, Fazel[l988] studied the relative in advantages of inventory polices by comparing the differences of the total cost of EOQ system and JIT system. This study compared (S, S) inventory model with JIT inventory model. The total cost of (S, S) inventory model with probabilistic demand was computed by Arena Simulation and the total cost of JIT inventory model was compared and analyzed according to the changes of the demand and leadtime. This study also compared JIT and (s, S) policy with varing unit prices when demand is increasing and leadtime is increasing.
김종열(Jongyeol Kim),최민철(Mincheol Choi),박준철(Junchul Park) 동아대학교 경영문제연구소 2008 經營論叢 Vol.29 No.-
This study researched automobile markets in China and suggested successful strategies to advance into Chinese car markets. Chinese economy has been going through. huge progress since its opening to foreign capital at 1978. Since then production of vehicles in China sharply increased from 372 thousand to 5.707 million. Chinese government announced the car industry as a national strategic industry. In 1994, with new industry policy for car makers and joining in WTO, Chinese auto mobile market took third place only behind U S and Japan. For car makers, Chinese market is promising land. So is it to Korean car makers. It was inevitable for Korean car makers to confront with difficulties along dispersing of part factories, instability of the market economy, and unfavorable location for plants because of overcrowded existed companies. This research aimed to study how Korean car makers would successfully advance into Chinese market Studies of previous researches made four categorized strategies: industrial relations between labor and company, production, marketing, and general strategies. Relying on these four categorical strategies, Korean companies would have, and will take primary places on magnificent Chinese markets.
인터넷 개별구매와 비교한 인터넷 공동구매의 상대적 장점과 단점에 대한 소비자들의 지각
이웅규,박준철 한국경영과학회 2003 韓國經營科學會誌 Vol.28 No.1
Group buying is one of the most popular transaction patterns on the internet at least in Korea. Nevertheless, it is hard to find academic researches for it in view of consumer behavior. In this paper, we analyze factors which determine consumer's attitude toward and intention of participation in internet group buying by comparison of internet individual one. For this purpose, we propose "lowering price", "decreasing risk" and "reducing transaction cost" as relative advantages and "lack of product assortment" and "delay of time" as relative disadvantages over individual buying on the internet. For empirical test, internet users who have some experiences of individual buying but not group ones on the internet are surveyed and analyzed. In result, a satisfying model fitness for structural equation model is derived and most hypotheses except the relationship between "decreasing risk" and "attitude toward internet group buying" are accepted. Our results provide not only academic contribution by suggestion of a research framework but also practical insight by discussion of divers features in internet group buying.