Nekby, Lena; Arai, Mahmood; Lundholm, Michael - Nationalekonomiska institutionen, Stockholms Universitet - 2001
Based on unique Swedish historical panel data on voluntary Swedish sick insurance societies 1902-1910, we test the … hypothesis od economies of scale in sick insurance provision. We report results indicating that pure insurance societies charging … only premium ex ante do not exhibit returns to scale, while mutual insurance societies, who levy both an ex ante premium …