Using lockers for parcel delivery can significantly reduce congestion in city centers. This is among the major findings of research by HKUST’s Guodong Lyu and a colleague, focusing on a “smart nation” initiative recently proposed for implementation in Singapore. The researchers developed an innovative analytical method of determining the optimal network ... 閱讀更多

How large should the reward be for corporate whistleblowers? This question was explored in novel research by HKUST’s Chao Tang and colleagues. Their study shows that while larger bounties do not increase the value of whistleblowing information, they do make the absence of whistleblowing a more informative signal for regulators. Some firms exaggerate their ... 閱讀更多

Do credit rating actions predict accounting fraud? The answer is yes, according to Allen H. Huang and Shiheng Wang of HKUST and their colleague. Their study also suggests that evidence of fraudulent accounting is strongest when it comes from issuer-paid credit rating agencies (CRAs); their investor-paid rivals are less able to detect fraud signals ... 閱讀更多

Investors seek information to guide their investment decisions and maximize their profits. These information-acquisition activities are often kept secret. However, some investors voluntarily disclose such activities, and some regulators have mandates (such as the Regulation Fair Disclosure in the U.S. and China’s Shenzhen Stock Exchange requiring the ... 閱讀更多

Weather risk, amplified by climate change, is posing an increasingly severe threat to agricultural production. Index insurance is a promising tool to hedge against weather risk, but traditional contracts face key limitations. Tapping into recent advances in machine learning, HKUST’s Zhanhui Chen and colleagues introduce a novel method of managing weather ... 閱讀更多

Violations of social responsibility by suppliers, whether through unethical, dangerous, or irresponsible behavior, attract considerable attention from the media and the public. “When these violations occur, socially conscious consumers may boycott the guilty brands and switch to other brands,” say HKUST’s Albert Y. Ha and colleagues. Their study sheds new ... 閱讀更多

Operations management (OM) research is increasingly drawing from a toolbox of econometric methods to test treatment effects. Offering guidance for future studies, HKUST’s Yanzhen Chen and Yatang Lin, together with colleagues, have surveyed the validity of such tools for establishing causality. Their recent review provides a much-needed summary for those ... 閱讀更多

Implementing financial sector policies that promote financial inclusion and growth is one of the key goals of developing economies. However, the outcomes are often spatially and temporally uneven. Yan Ji of HKUST and co-researchers develop an innovative model to examine the economic impacts of such policies across space and time, taking as a case study the ... 閱讀更多

When making online purchases, consumers often encounter a lengthy list of products whose quality they know little or nothing about, ranked by an unknown algorithm. Users often turn to others’ online reviews to estimate product quality—a process known as social learning. HKUST’s Dongwook Shin and colleagues shed light on the challenges that platforms face ... 閱讀更多

Given the recurring nature and pernicious effects of banking crises, a vast regulatory infrastructure has developed to minimize banks’ likelihood of failure by influencing the types of risks they take. Against this backdrop, HKUST’s Arthur Morris and colleagues shed new light on how to structure executive compensation to balance risk-taking with prudence in ... 閱讀更多