The European Commission envisages putting forward a proposal for a tax reform that would allow improving the efficiency and simplicity of the corporate income tax systems. This report assesses the impact of a Common Corporate Tax Base (CCTB) on the size of the corporate tax bases of EU...

This book summarises the results of a study on behalf of the European Commission. It presents estimates of effective average tax rates (EATR) in five EU Member States plus the USA. The main aim is to compare EATR on domestic investments by companies. A secondary aim is to work out the impact of...

The German 2008 corporate tax reform followed the distinct and internationally prevalent pattern of tax-rate cut cum base broadening. Based on a new corporate microsimulation model, ZEW TaxCoMM, we assess the heterogeneous effects of the tax reform on firms, varying according to some of the...