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Current policy initiatives taken by the EU and the OECD aim at abolishing preferential corporate tax regimes. This note extends Keen's (2001) analysis of symmetric capital tax competition under preferential (or discriminatory) and non-discriminatory tax regimes to allow for countries of different size. Even though size asymmetries imply a redistribution of tax revenue from the larger to the smaller country, a non-discrimination policy is found to have similar effects as in the symmetric model: it lowers the average rate of capital taxation and thus makes tax competition more aggressive in both the large and the small country.

Current policy initiatives taken by the EU and the OECD aim at abolishing preferential corporate tax regimes. This note extends Keen's (2001) analysis of symmetric capital tax competition under preferential (or discriminatory) and non-discriminatory tax regimes to allow for countries of different size. Even though size asymmetries imply a redistribution of tax revenue from the larger to the smaller country, a non-discrimination policy is found to have similar effects as in the symmetric model: it lowers the average rate of capital taxation and thus makes tax competition more aggressive in both the large and the small country.

This article explores the taxation of corporations in the wider context of capital income taxation. The article discusses pros and cons of various income-based and cash-flow forms of corporation tax (CT) and concludes that the dual income tax (DIT), which taxes all capital income at the proportional CT rate, is to be preferred over other forms of taxing capital income. The DIT is best attuned to the reality of capital mobility and is not held hostage by the higher tax on labour income. Levied at a uniform flat rate, the DIT minimizes opportunities for tax arbitrage.

Taxing multinational enterprises (MNEs) is inherently conflictual because national tax systems are not well designed to handle their international activities. The OECD has been instrumental in developing an international tax regime to govern the conflicts and interdependencies induced by national taxation of MNEs. The strength of this regime depends on the extent to which states adhere to the regime's norms and practices. We examine the OECD's Harmful Tax Competition initiative, arguing that tax havens have been as renegade states in the international tax regime. We explore how the OECD initiative developed and evaluate its impact on regime effectiveness.

This paper explores the taxation of corporations in the wider context of capital income taxation. The pros and cons of various income-based and cash-flow forms of corporation tax (CT) are discussed. The paper concludes that the dual income tax (DIT), which taxes all capital income at the proportional CT rate, is to be preferred over other forms of taxing capital income. The DIT is best attuned to the reality of capital mobility and is not held hostage by the higher tax on labour income. Levied at a uniform flat rate, the DIT minimizes opportunities for tax arbitrage.

The EU policy against harmful tax competition aims at eliminating tax policies targeted at attracting the internationally mobile tax base. We construct an imperfectly competitive model of costly trade between two countries. In setting their corporate taxes, governments non-cooperatively decide whether to discriminate between internationally mobile and immobile firms. We find the Nash equilibrium tax regimes. When trade costs are high countries impose a uniform tax on all firms while nations will discriminate between mobile and immobile firms when costs are low. At some trade costs, fiscal competition results in tax discrimination despite uniform taxation being socially preferable.