In this study, we develop an optimal inventory model for items with imperfect quality and shortage backordering. Such implicit assumption is reasonable in view of the fact that poor-quality items do exist during production. They are usually picked up during the screening process and are...

Solar light is a source of green energy that poses no harm to the environment. The layout of a sunlight concentrator has a significant effect on prism-based sunlight concentration systems. This study develops a genetic algorithm that improves the layout efficiency and symmetry of sunlight...

New product development (NPD) is one of the most important processes for firms to increase their profit and competitiveness. This study presents the result of a comparison study between Taiwan and Indonesia industry in the employment of evaluation criteria for NPD process. This study is guided...

Although supplier involvement in new product development (NPD) projects has become increasingly important for strengthening a firm's competitive position, few studies have investigated the impact of changing research and development (R&D) workloads in NPD. According to the level of...

This study explores an efficient approach for identifying chaotic phenomena in demands and develops a production lot-sizing method for chaotic demands. Owing to the butterfly effect of chaotic demands, precise prediction of long-term demands is difficult. The experiments conducted in this study...

In the past decade, the focus of international airport development has shifted from a transportation hub towards a multi-functional aero metropolis. An airport city serves not only as an index of a country's performance in development, but also plays the role as impetus of national industries...

Many industries with multiple-echelon supply chains suffer inventory management with costly deteriorating rates changed along with the time, such as TFT-LCD panel manufacturing industry, IC manufacturing industry, and agricultural industry, to name a few. In addition, highly competitive...

This study explores the effects of three firm competencies, namely, business network, new product development (NPD), and marketing management on market entry success of a high-tech industry in an emerging market. Business network encompasses research and development (R&D) partnership,...