• Artificial grass and genuine football : the evolution of artificial turf 

      Haugen, Kjetil K.; Heen, Knut Peder (Peer reviewed; Journal article, 2019)
      The article formulates, solves and draws inference from a game model intended to shed light on the evolution of artificial turf in professional European football (soccer). The main results indicate that quality of teams ...
    • The competitive evolution of European top football – signs of danger 

      Haugen, Kjetil K.; Heen, Knut Peder (Peer reviewed; Journal article, 2018)
      This paper presents a relatively comprehensive study of how Uncertainty of Outcome has developed over time in major European football leagues. The findings are clear; excitement in football is degrading, closing up on ...
    • A heuristic for finding cheating in chess 

      Haugen, Kjetil K.; Heen, Knut Peder; Smerdon, David C.; Nilssen, Tore (Peer reviewed; Journal article, 2023)
      This article argues by casual empirics that a low draw percent in chess may work as a simplified cheating indicator. Data from a large number of historical chess games (53331) indicate that this extremely simple heuristic ...
    • The market demand-(and supply) curve paradox 

      Haugen, Kjetil K.; Heen, Knut Peder (Peer reviewed; Journal article, 2021)
      After many years of teaching utility maximization in Microeconomics a certain paradoxical puzzle has come to our attention. It is very simple and straightforward, but we still find it hard to explain it to students. Our ...
    • Point score systems and cooperative incentives : the 3-1-0 curse 

      Haugen, Kjetil K.; Heen, Knut Peder (Peer reviewed; Journal article, 2018)
      The purpose of this study is to analyze the consequences that point score systems in association football may have on potential collusion between teams. The study applies game theory and empirical analysis to derive and ...
    • Verdien av IQ : en kommentar til «Bright new world» av Ole Martin Moen 

      Haugen, Kjetil K.; Heen, Knut Peder; Bjørkly, Stål (Peer reviewed; Journal article, 2017)
      Ole M. Moen presenterer i artikkelen «Bright new world» et forslag om å subsidiere kvinner for å velge å få barn med høy IQ. I denne artikkelen presenterer vi tre argumenter mot Moens forslag. Vårt hovedargument er knyttet ...