It is observed in the real world that taxes matter for location decisions and that multinationals shift profits by transfer pricing. The US and Canada use Formula Apportionment (FA) to tax corporate income, and the EU is debating a switch from Separate Accounting (SA) to FA. This paper develops...

This paper analyzes the relevance of firm losses for tax revenues and welfare when switching from separate accounting to a system of tax base consolidation with formula apportionment. We find that a system change unambiguously decreases tax revenues in the short run, in which neither firms nor...