Research News

The widely used machine-learning technique known as LASSO relegates smaller market events to an ignored “inactive zone”. How can that be a good thing for ambitious asset traders? Bo Hu, assistant professor of finance, explores the logic (and illogic) behind LASSO’s popularity and power.

A real-world experiment found that when men on matching platforms were shown only the women whose profiles fit established cultural criteria, it improved outcomes for women without harming men, says Sabari Rajan Karmegam, assistant professor of information systems and operations management at Costello College of Business.

How do “blind box” products like the Labubu make money? Zhechao Yang, assistant professor of information systems and operations management, has co-authored a paper that breaks down the “win-win-win” at the center of this trendy selling strategy.

Co-owned companies are more likely to use the same audit firm. This has positive implications for institutional investors and the market as a whole, according to Young Hoon Kim, assistant professor of accounting at Costello.

When a popular online video game added AI-controlled opponents that mimicked human activity, the entire ecosystem improved. Zhechao Yang, professor in the information systems and operations management area, believes this example holds general lessons for education and competition design.

Management professor Kevin Rockmann’s research concerns the often-ignored, multifaceted value of workplace relationships. In a recent executive education course at Costello College of Business, Rockmann put his findings into action, with strongly positive results for a leading company.

In-process work by Jingyuan Yang, a professor of information systems and operations management at George Mason University, suggests that downward redistribution of high-value opportunities can increase performance outcomes as well as fairness.

The SEC’s communications with equity issuers are a potential treasure trove for info-hungry investors, according to research by accounting professor David Koo. But they are not always getting into the public eye early enough to make a difference.

Bridging the information gap between HQ and the local level is one of the main challenges for consolidated companies. In a forthcoming paper in Management Science, Barbara Su, assistant professor of accounting at Costello, explores how multi-bank holding companies rely on internal accounting information as a complement to financial performance, to help them make intramural investment decisions.

A George Mason University accounting professor explains how information on the behavior of companies that have been under SEC investigation reveals a variety of changes and opens the way for a step forward in accounting research.

Technological advancements and the dynamics of the platform economy make rooting out fraud more complicated than it may seem.

Tens of trillions invested in social responsibility arguably hasn’t translated into large-scale benefits for people and the planet. A new book by a George Mason University adjunct professor attempts to explain why.