The theory of behavioral economics examines the behavior of individuals in markets in order to examine, explain and predict individual behavior. The psychology of behavior has evolved in order to explain the impact of emotions and most common cognitive errors in the decision-making process of...

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...