5 articles in this issue
So Young Sohn,Eun Jeong Ji,Eun Jin Han
One of the main missions of Microfinance Institutions (MFIs) is to improve the status of under-privileged people. However, MFI’s mission drift or enhancement can occur under adverse economic condition. In this paper, we investigate the direction of change... see more
Mehdi Mrad,Hesham K. Alfares
A multi-period production and inventory control problem for a multi-grade, multi-supplier petrochemical product is formulated and optimally solved. Raw materials are available from several suppliers, and several plants (chemical reactors) are used for mak... see more
Ahad Foroughi,Hadi Gökçen,Lorenzo Tiacci
In recent years, the increase in industry competition has caused costs of production to become a critical success factor. A considerable proportion of manufacturing activities and costs are devoted to the assembly of products. Therefore, in successful ass... see more
Jaehwan Lee,Hyeonu Im,Ki Hong Kim,Sha Xi,Chulung Lee
This paper considers airport gate assignment (AGA) to evenly distribute passengers to airport internal gates (landside gate), where critical processes such as security check, immigration, and customs are performed. The paper focuses on AGA and the efficie... see more
Kyoungseok Na,Gyu M Lee
An effective and efficient emergency evacuation planning is critical to the safety and welfare of the residents or citizens in case of natural or artificial disasters. The recent nuclear reactor accident at Fukushima caused the residents at Gijang to be c... see more