GSHP (ground source heat pump) systems have become widely used as a result of the recent increasing demand for new and renewable energy polices in Korea. However, reliability issues have been key issues during installation and operation since they were initially designed. This paper introduces a...

This paper examines the questions of why and how foreign assistance was utilized successfully in South Korea but less so in Ghana, with a focus on the role of aid in the process of state building and state transition in these two countries. Before the 196

This research describes the development of a compression/absorption hybrid heat pump system that utilizes a mixture of NH3 and H2O as a working fluid. The heat pump cycle is based on a hybrid combination of vapor compression cycle and absorption cycle. The system consists of major components of...

QQ, the largest virtual community in China, generates relational social capital that facilitates social shopping behaviours across channels. Based on social capital theory, this study assesses how social identification and knowledge creation influence social shopping behaviours; and how purchase...

This paper develops an empirical framework to analyze consumer's dynamicswitching decision in the cellular service industry. It firstincorporates the sequential problem of quantity, plan and firmsubscription choice in the presence of switching costs into a dynamicstructural model, which allows...