Casamatta, G.; Cremer, H.; Pestieau, P. - Center for Operations Research and Econometrics (CORE), … - 1998
We consider social insurance schemes with a two-part benefit formula: a flat (constant) term and a variable term which is proportional to individuals' contributions. The factor of proportionality defines the type of social insurance. We adopt a two-stage political economy approach. At the first,...