Search engines should put sponsored ads higher up the page if the product quality is higher. This is the simple but pioneering finding of research by Ying-Ju Chen of HKUST. Chen shows that to optimize their profits, search engines should not only rank adverts in descending order of quality but also make it hard—or impossible—for users to keep clicking ... 閱讀更多

Publicly-traded firms in the U.S. are legally required to disclose the material risks they face. Although the regulation was designed to protect investors, research by HKUST’s Allen H. Huang and Amy Y. Zang shows that it has unintended benefits for firms too. Working with a graduate of HKUST’s Accounting Ph.D. program, they explored how the legal language of ... 閱讀更多