Diese Dokumentation beschreibt das integrierte Steuer-Transfer-Mikrosimulations- und CGE-Modell FiFoSiM des Finanzwissenschaftlichen Forschungsinstituts an der Universität zu Köln (FiFo). FiFoSiM unterscheidet sich von den bisherigen Steuer- und Transfersimulationsmodellen auf zweierlei Weise...

The economic literature often argues that basic income schemes and low wage subsidies to employees are just special cases of a negative income tax. In this debate, it is ignored that these concepts target different population subgroups. This paper investigates the different target groups and the...

In many OECD countries, statutory corporate tax rates are lower than personal income tax rates. The present paper argues that this tax rate differentiation is an optimal tax policy if there are problems of asymmetric information between investors and firms in the capital market. The reduction of...

The residence-based taxation of interest income in the EU faces the difficulty that taxpayers may evade taxation by holding bank accounts in other countries. The EU therefore makes considerable efforts to achieve cooperation among EU member states in order to improve tax enforcement. The present...

This paper discusses tax policy measures to reduce corporate tax avoidance by extending taxation in the source country without imposing double taxation. We focus on four options: Bilaterally restricting interest and royalty deductibility, introducing an inverted tax credit system, levying...

The residence-based taxation of interest income in the EU faces the difficulty that taxpayers may evade taxation by holding bank accounts in other countries. The EU therefore makes considerable efforts to achieve cooperation among EU member states in order to improve tax enforcement. The present...