Die vorliegende Dissertation besteht aus fünf unabhängigen Forschungspapieren über optimale Steuer- und Bildungspolitik, welche ich während meines Promotionsstudiums an der Universität Konstanz erstellt habe. Private Versicherungen gegen Einkommensrisiko können aufgrund von moral hazard...

Though the present thesis is not intended as a monograph, its respective chapters are interrelated: The major research question is whether the German public pension system (or potentially any annuity-based pension system) causes redistribution between income groups. Especially the relationship...

This paper extends an economic geography model by tariffs to analyze their impact on welfare and sustainability of agglomerations. Policies with and without cooperation are compared, with the goal of maximizing aggregated welfare in the former and regional welfare in the latter case. The main...

This paper examines the problem of optimal tax mix analytically in a two-sector growth model with transitional dynamics. Tax revenue is required to provide a pure public good. The key problems are: over-consumption of leisure under labor income or consumption taxes; and under-investment in human...

Following Chamley, Lucas, Laitner, and Aiyagari, this dissertation continues toexplore the answer for the question of zero capital taxation by discussing how taxeson capital income, labor income, and property affect the economy in the contextof a vintage capital model where the embodied...

Diese Doktorarbeit besteht aus vier eigenständigen Forschungsarbeiten, die in der Zeit von Oktober 2004 bis Oktober 2007 geschrieben wurden, während ich Teilnehmer am "Doctoral Programme in Quantitative Economics and Finance" an der Universität Konstanz war. Meine Forschungsinteressen...

In a two-period world with endogenous savings and two assets, the optimal tax structure and optimal diversification of aggregate (capital) risk between private and public consumption are analyzed. We show that there is no trade-off between efficiency in intertemporal consumption and allocation...