Costello Research Evaluating Performance

  • 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.

  • 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.

  • February 11, 2026

    Balancing and combining different kinds of intelligence may be even more important than how much you know, or how you think. In a recently published piece, Matthew A. Cronin, professor of management at Costello College of Business at George Mason University, deconstruct intelligence into three modalities, which they label the Scientist, the Artist and the Judge (or “SAJ,” pronounced “sage”).

  • April 29, 2025

    Two Costello College of Business accounting professors are exploring how inherent personal traits may influence business success—and their early findings will gratify the left-handed among us.

  • April 3, 2025

    Organizational coherence and trust begin with the stories that individual employees tell themselves about their complex identities.

  • December 4, 2024

    Leaked payroll data may contradict everything you thought you knew about the economic impact of high-skilled legal immigration.

  • November 19, 2024

    The 2008 financial crisis cast a pall of pessimism over veteran CEOs that took three years to lift. David Koo, assistant professor of accounting, has found that memories of past recessions, triggered by recent ones, can weigh on chief executives’ decisions, literally for years.

  • July 16, 2024

    If you’re nervous about negotiating a starting salary, that’s because your mind is playing not one, but two tricks on you. A George Mason management prof explains how to undo the mental spell.

  • March 11, 2024

    Sarah Wittman, an assistant professor of management at Mason's Costello College of Business, unpacks this complex problem and proposes some potential research-based solutions.

  • February 13, 2024

    Deciding whether to reveal someone else’s secrets isn’t just a moral dilemma. It can also have a serious impact on your reputation. Costello College of Business assistant professor of management, Einav Hart, explores this issue in a series of studies.