Costello Research Risk Management

  • August 6, 2024

    The economic data on climate and business outcomes paints a picture of profound disruption beneath a placid-seeming surface.

  • July 22, 2024

    You can tell a lot about a hedge fund’s quality—and long-term performance—from the market climate in which it was launched.
    Lin Sun, assistant professor of finance, recently published a paper in Review of Finance that compares hedge funds formed in high-demand, or “hot,” markets to those produced in a “cold” market climate.

  • May 15, 2024

    The SEC’s unique treatment of companies that opt into public reporting shows that lighter-touch regulation can sometimes be just as effective. Associate professor of accounting Bret Johnson’s recent paper looks at how the SEC handles the added responsibility of reviewing voluntary filings.

  • April 18, 2024

    Bo Hu, an assistant professor of finance at Mason, is developing new research methods to better capture the intricate, interlinked dynamics of financial markets.

  • April 10, 2024

    Measuring risk in private equity is notoriously difficult. New research by Mason assistant professor of accounting, Mariia Nykyforovych, suggests that metric-based myopia, and the distorted incentives it creates, are partly responsible. 

  • February 6, 2024

    Mason finance professor Lei Gao, finds a “precautionary effect” at work in the minds of Republican-supporting CEOs, leading to more frequent and accurate earnings forecasts. 

  • January 2, 2024

    Despite the fears of regulators and skittish investors, clear and accurate signals of cryptocurrency quality may be hidden in plain sight.

  • March 24, 2023

    Financially troubled U.S. hospitals are petitioning for more support from the federal government, but handouts won’t fix the underlying problem.

  • June 7, 2022

    In business, a specialist strategy can sometimes be riskier than a generalist one. Competing in only one industry leaves firms highly vulnerable to heightened income volatility, with extreme gains and losses, often alternating in quick succession. Innovative firms, whose business models are based on heavy R&D investments with uncertain returns, are especially affected by these fluctuations. Kelly Wentland, assistant professor of accounting, discusses this issue.

  • November 16, 2021

    Kelly Wentland, an accounting professor at the George Mason University School of Business, recently published a paper in Management Science that further specifies and quantifies firm response to tax uncertainty.