We show that tax competition in the EU is shaped by four interrelated institutional mechanisms: 1) Market integration, by reducing the transaction costs of cross-border tax arbitrage in the Single Market, 2) enlargement, by increasing the number and heterogeneity of states involved in intra-EU...

The article assesses the impact of a Common Corporate Tax Base (CCTB) as promoted by the European Commission and the related Working Groups on the effective tax burdens of companies in all 27 EU member states. The results shall help to evaluate the economic consequences of introducing a...