Company taxation is an important element for the establishment and the completion of the Internal Market. Against this background, the European Commission recommends the harmonisation of the tax base in the European Union.§§Carsten Wendt analyses the necessity, the concept as well as potential advantages and effects of a common tax base for multinational enterprises in the European Union. He addresses important issues concerning a common tax base, such as the definition of the consolidated group, the technique and scope of consolidation and the formula used to allocate the consolidated tax...