This volume contains two papers which use the ozone problem as the empirical starting of their analysis. Gladwin/Ugelow/Walter survey empirically the sectors of the economy which produce fluorcarbons. The regional origin of fluorcarbons in the world and possible international ozone management...

While risk selection within the German public health insurance system has received considerable attention, risk selection between public and private health insurers has largely been ignored. This is surprising since - given the institutional structure - risk selection between systems is likely...