The world pharmaceutical industry has been steadily consolidating in the last couple of years. There are significant processes of oligopolisation. Intensive globalisation processes, increasing competitiveness, changes in competitors and the fight for global markets and customers create new...

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...