Effective tax rates are a useful tool for policy makers as well as for business managers who might demand condensed but sophisticated information on investment tax burdens. Our paper discusses the measurement of the effective tax rate on profitable investment, i.e., investment that generates an...

The current debate on tax planning has to distinguish between tax evasion and aggressive tax planning. While tax evasion is illegal and requires the enhanced exchange of information, measures against aggressive tax planning seem to be very complex and complicated. Tax havens’ benefits from tax...

In their famous Mirrlees review (2011) on reforming the tax system for the 21st century, the authors put forward the introduction of an allowance for corporate equity regime. In recent years, several countries introduced an ACE regime. The main feature of an ACE regime is that it removes tax...

We use a unique matched tax return-financial statement data set to examine the magnitude and sources of book-tax differences in Germany. For the first time, the data set enables us to evaluate the extent to which financial and tax accounting differ in Germany in the most accurate manner. Despite...

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...

11 European countries now operate IP Box regimes that provide substantially reduced rates of corporate tax for income derived from important forms of intellectual property. We incorporate these policies into forward-looking measures of the cost of capital, effective marginal tax rates and...

11 European countries now operate IP Box regimes that provide substantially reduced rates of corporate tax for income derived from important forms of intellectual property. We incorporate these policies into forward-looking measures of the cost of capital, effective marginal tax rates and...

Aggressive tax planning efforts of highly profitable multinational companies (Base Erosion and Profit Shifting (BEPS)) have recently become the subject of intense public debate. As a response, several international initiatives and parties have called for more transparency in financial reporting,...

This paper discusses the issue of profit shifting and 'aggressive' tax planning by multinational firms. The paper makes two contributions. Firstly, we provide some background information to the debate by giving a brief overview over existing empirical studies on profit shifting and by describing...