Nationalistic bias in experts’ player ratings in football
利用挪威数据，在控制大量表现相关因素后，发现足球专家记者对球员的评分中存在显著的民族主义偏见，即偏向本国球员。
• This study examines nationalistic bias—or in-group bias—in football (soccer). • This study examines nationalistic bias in expert journalists’ player ratings. • The study finds evidence of nationalistic bias in expert journalists’ player ratings. Using Norwegian data, we examine nationalistic bias in experts’ player ratings in football (soccer). Controlling for a large set of performance-related factors and possibly confounding player characteristics, we find a statistically significant nationality effect. We interpret this as nationalistic bias.