• Are CEOs born leaders? Lessons from traits of a million individuals 

      Adams, Renee Birgit; Keloharju, Matti; Knüpfer, Samuli (Journal article; Peer reviewed, 2018)
      What makes a successful CEO? We combine a near-exhaustive sample of male CEOs from Swedish companies with data on their cognitive and noncognitive ability and height at age 18. CEOs differ from other high-skill professions ...
    • CEO health 

      Keloharju, Matti; Knüpfer, Samuli; Tåg, Joacim (Peer reviewed; Journal article, 2023)
      Using comprehensive data on 28 cohorts in Sweden, we analyze CEO health and its determinants and outcomes. We find CEOs are in much better health than the population and on par with other high-skill professionals. These ...
    • Social Interaction in the Family: Evidence from Investors’ Security Holdings 

      Knüpfer, Samuli; Rantapuska, Elias; Sarvimäki, Matti (Peer reviewed; Journal article, 2022)
      We show that investors tend to hold the same securities as their parents. This intergenerational correlation is stronger for mothers and family members who are more likely to communicate with each other. An instrumental ...
    • What prevents women from reaching the top? 

      Keloharju, Matti; Knüpfer, Samuli; Tåg, Joacim (Peer reviewed; Journal article, 2022)
      We use rich data on all business, economics, and engineering graduates in Sweden to study the lack of women among chief executive officers (CEOs). A comprehensive battery of graduates’ characteristics explains 40% of the ...