Hyun-Jeung Ko

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Today’s competitive business environment has resulted in increasing cooperation among individual companies as members of a supply chain. Accordingly, third party logistics providers (3PLs) must operate supply chains for a number of different clients who want to improve their logistics operations for both forward and reverse flows. As a result of the dynamic(More)
As cost pressures continue to mount in this era of economic slowdowns, a growing number of firms have begun to explore the possibility of managing product returns in a more cost-efficient and timely manner. However, few studies have addressed the problem of determining the number and location of initial collection points in a multiple time horizon, while(More)
As the result of an explosive growth in e-tailing, telemarketing, and television home-shopping industries, the demand for the direct shipment of purchased goods by express couriers has increased over the last several years. The success of an express courier service often depends heavily on the direct marketing firm’s ability to extend its cutoff time(More)
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