Real business cycle (RBC) models describe how firms make investment and labour decisions. They assume that technological shocks and changes in productivity are the primary drivers of macroeconomic fluctuations. However, these models generally fall short of explaining how choices made within firms—which might modify external shocks—might affect macroeconomic ... 閱讀更多

Lowering prices and offering discounts might be a sure-fire way for firms to attract consumers, but these tactics also cause huge fluctuations in competition intensity, with potentially serious implications for asset prices and returns. Surprisingly, however, this key issue has been neglected in asset pricing research. In a pioneering study, HKUST’s ... 閱讀更多

Social networks are a good example of the complexity of human relationships, where a person’s daily life decisions are regularly affected by the choices of their friends. This challenges extensive research on the economics of networks, in which individual activities have global impacts on the activities of others. In short, the externalities of network ... 閱讀更多