Tamm, Marcus; Tauchmann, Harald; Wasem, Jürgen; Greß, … - In: Health Economics 16 (2007) 3, pp. 243-256
In 1996, free choice of health insurers was introduced to the German social health insurance system. One objective was to increase efficiency through competition. A crucial precondition for effective competition among health insurers is that consumers search for lower-priced health insurers. We...