This paper explores the economic consequences of proposed EU reforms for a common consolidated corporate tax base. The reforms replace separate accounting with formula apportionment as a way to allocate corporate tax bases across countries. To assess the economic implications, we use a numerical...

This paper examines the likely impact of a proposed formula apportionment system for corporation tax in the EU on the inbound investment of US multinational companies. We pay attention to tax planning strategies that may be employed by US multinationals and investigate whether effective tax...

This report adopts an applied general equilibrium model for the EU27 to study the economic implications of a common corporate tax base in the European Union, either or not combined with consolidation and formula apportionment. The analysis of the common corporate tax base (CCTB) centres around...

This report forms part of the output of the Oxford University Centre for Business Taxation, based in the Saïd Business School. The work was financed partly by a grant from the ESRC (grant RES-060- 25-0033), and partly from donations from a number of UK companies, members of the Hundred Group....