Costello College of Business Faculty Research

  • August 4, 2026

    Retail investor attention creates an incentive for firms to present earnings that satisfy investors' expectations using accounting discretion. Such a “numbers game” – the use of legally permissible accounting practices to influence reported earnings – makes investor attention an economic force influencing corporate reporting decisions, argues finance professor Lei Gao of George Mason University.

  • August 13, 2026

    As workers enter new organizational roles, join new employers, or transition into different fields, they often experience emotional turmoil associated with changes in their professional identity. To ease the adjustment, they can train their “transition muscles” by learning from past experiences and anticipating future changes, suggests a new book chapter from George Mason University management professor Sarah Wittman.

  • July 24, 2026

    How fast is too fast to reply to a prospective employer? Wrong question, argues George Mason University management professor Einav Hart. Across several settings and contexts, Hart and her co-authors found that once a hiring manager is interested enough to reach out, even the slightest delay in responding could harm your chances.

  • July 16, 2026

    The best way to resolve a consumer’s doubts about electric cars is to let them drive one for a day or two. But Ioannis Bellos and Hang Ren, professors in the information systems and operations management area at George Mason University, argue that extended test drives can sometimes do more harm than good, for both profits and the planet.

  • July 7, 2026

    In his award-winning dissertation, now a published paper, George Mason University accounting professor Steven Maex reveals that privacy laws such as the European Union’s GDPR can spur firms to improve how they manage one of their most valuable assets: their data.

  • June 26, 2026

    Legalized gambling can bring in significant economic rewards from tax revenue and job creation. But at what cost to society? The states that legalized online sports betting saw a 3.1 percent increase in suicide rates, according to research co-authored by Brad Greenwood, professor of information systems and operations management.

  • June 17, 2026

    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.

  • June 10, 2026

    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.

  • June 3, 2026

    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.

  • May 6, 2026

    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.