In the process of the German unification and especially after the formal unification in October 1990, Eastern Germany was supported by West Germany by a lot of measures. The main purposes were to improve the infrastructure, to stimulate private investment and to alleviate the adjustment process...

The paper examines the possible effects of introducing a large-scale welfare reform in Sweden, namely, the introduction of comprehensive welfare accounts. Under this policy, individuals make mandatory contributions to accounts, which they can top up with voluntary contributions. In return,...

Germany's social security system is surveyed, its benefits and contributions are discussed. The expansion of this system in the last decades is described, its impact on employment and growth is studied and proposals for the reform of the system are discussed.

This paper analyzes the welfare effects of the Italian social security system in an economy with uncertainty on wages, financial market returns and life expectancy. The introduction of a pension system reproducing the Italian statutory scheme turns out to decrease ex-ante individual welfare,...

This paper analyzes optimal linear taxes on labor income and savings in a standard two-period life-cycle model with endogenous leisure demands in both periods and non-insurable income risks. Households are subject to skill shocks in both periods of the life-cycle. We allow for completely general...

This paper analyzes a fully funded social security system under the assumption that agents face temptation issues. Agents are required to save through individually managed Personal Security Accounts without, and with mandatory annuitization. When the analysis is restricted to CRRA preferences...

Der durchschnittliche Bruttojahreslohn pro Beschäftigtem in einer Region liefert wertvolle Informationen über die regionalen Verdienstmöglichkeiten. Bedingt durch das Meldeverfahren an die Sozialversicherungsträger werden die Einkommen jedoch nicht mit ihrer vollen Höhe erfasst, sondern nur...

We suggest a political economy explanation for the stylized fact that intragenerationally more redistributive social security systems are smaller. We relate the stylized fact to an efficiency-redistribution trade-off to be resolved by political process. The inefficiency of social security...

The paper presents a general equilibrium model of search unemployment that incorporates absence from work as a distinct labor force state. Absenteeism is driven by random shocks to the value of leisure that are private information to the workers. Firms maximize profits while recognizing that the...

In this paper we study the social, demographic and economic origins of social security. The data for the U.S. and for a cross section of countries make it clear that urbanization and industrialization are strongly associated with the rise of social insurance. We describe a model economy in which...