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...

Many experts equate the best tax system with the simplest, and the best tax reform with the one that most simplifies the system. However, the simplest, most elegant policy need not be the best because tax policy involves a tradeoff among objectives, including equity and efficiency objectives,...

This article discusses probably the most significant obstacle to the adoption of a consumption tax: the negative effects on existing wealth that the transition from the income tax to most forms of a consumption tax would have. The Congressional Budget Office in its 1997 study posed the question,...

The article builds on the Hall-Rabushka Flat Tax and proposes a consumption tax called the “E Tax,” which is an electronically collected credit invoice VAT. The Hall-Rabushka Flat Tax is a two-tier consumption tax that is based on a subtraction method VAT. The Hall-Rabushka nuance, however,...

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 contributes to the literature on foreign aid by exclusively explaining a donor’s motivation for foreign external assistance. The underlying framework focuses on recipients’ needs for foreign aid to address income inequality as and when growth occurs. A tax-subsidy policy is...

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...