Research News

Widely respected for their expertise, Costello College of Business faculty are frequently quoted in the business press. 

Contact Media Relations for general media inquiries and to interview one of Costello’s thought leaders.

Research News

  • 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.
  • 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.
  • 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 11, 2026
    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.
  • 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.
  • May 4, 2026
    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.

Faculty Media Mentions

  • August 7, 2026
    Patrick Soleymani, associate dean for outreach and strategic engagement and associate professor of management, comments on the latest U.S. jobs report for Spectrum News in an article titled, "The U.S. lost 23,000 jobs in July."
  • August 7, 2026
    Finance professor Derek Horstmeyer contributes a research-based thought piece on real-estate investment vehicles to The Wall Street Journal titled, "Where REIT Investors Have Earned the Best Returns."
  • July 31, 2026
    Finance professor Derek Horstmeyer writes in Fortune about a new type of risky behavior becoming prevalent among retail investors in n article titled, "The rise of financial nihilism in retail traders."
  • July 31, 2026
    Sharaya Jones, assistant professor of marketing, appears on The Academic Minute to discuss her research on the challenges of joint consumption in an article titled, "Why Choosing Stuff to Share is an Ordeal."
  • July 29, 2026
    Siddharth Bhattacharya, assistant professor of information systems and operations management, contributes a co-authored piece to Sloan Management Review about how AI-generated "adult content" fueled a rise in sexual crime in Japan in an article titled, "The Link Between Explicit AI-Generated Images and Offline Crime."
  • July 27, 2026
    Research co-authored by Lei Gao, associate professor of finance, is covered in Science of Money in an article titled, "Attention has a price: New research links retail investor interest to earnings management."
  • July 23, 2026
    DatingNews.com covers research co-authored by Sabari Rajan Karmegam, assistant professor of information systems and operations management, concerning a matchmaking app in India that found success with a "gender gating" model that barred men not meeting certain criteria from viewing women's profiles in an article titled, "Study Finds Women Find Better Matches With Fewer Dating Options."
  • July 21, 2026
    Polish opinion magazine Wszystko Co Najważniejsze (All That Matters) covers research by Ioannis Bellos and Hang Ren, of the information systems and operations management area, about the trade-offs of EV test drives in an article titled, "Test driving an electric car may discourage you from buying one."
  • July 16, 2026
    A research paper by Einav Hart, assistant professor of management, was the subject of an article on the Entrepreneur website titled, "Think Your Skills Will Get You Hired? Companies Are Tracking This Hidden Metric Too."
  • July 15, 2026
    Einav Hart, assistant professor of management, co-authors an article for Harvard Business Review based upon her research finding that fast-replying job-seekers enjoy outsized advantages with managers and employers in an article titled, "Are You Biased Toward Job Candidates Who Reply Quickly?"
  • July 13, 2026
    Finance adjunct professor Sean Spence was featured in WalletHub's recent article about budget categories in an article titled, "12 Common Budget Categories."
  • July 13, 2026
    Werf&, a leading Dutch HR knowledge platform, covered management professor Einav Hart's co-authored research on the benefits of quick response for job hunters in an article titled, "First come, first served?' Why a quick responder always has an edge."