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...

How does international tax competition affect fiscal democracy? To what extent does it constrain the autonomy of democratic governments in choosing the level and structure of national taxation? While tax competition has not reduced the level of total taxation in OECD-22 countries, it has revenue...