This paper investigates the choice of apportionment factors under a corporate tax system of Formula Apportionment. In contrast to perceived wisdom, we show that the apportionment formula contains both mobile (capital) and immobile (labor) factors if jurisdictions are granted full fiscal autonomy...

This paper studies the impact of a capital-income tax and a wealth tax on investor behavior in an efficient capital market under various assumptions regarding uncertainty and time horizons. We show that investors who face capital taxes have a lower discount rate, but that their willingness to...

The OECD in its BEPS action plan 4 addresses tax base erosion by profit shifting through the use of tax deductible interest payments. Their main concern is interest deductions between outbound and inbound investment by groups. Studies of multinational firms show that the tax sensitivity of debt...

Some multinationals use the parent company as a lender to the group, whereas others set up an internal bank in a low tax jurisdiction. This paper discusses the link between capital structure choices and tax planning motives in multinational groups. We model the trade-off between the use of...

This paper shows that the OECD inclusive framework of Pillar Two fails to implement the claimed 15% minimum corporate tax for all subsidiaries of multinational corporations that are not shell companies. The reason is that the Substance-based Income Exclusion of Pillar Two allows to tax-deduct...

This paper analyses the development of the ratio of corporate taxes to wage taxes using a simple political economy model with internationally mobile and immobile firms. Among other results, our model predicts that countries reduce their corporate tax rate, relative to the wage tax, either when...

This paper discusses trends in capital taxation and the role of the corporate tax rate in a welfare state. It provides a summary of the tax competition literature with special application to capital taxation in small versus large countries. A main finding from this literature is that small...

This paper analyses the development of the ratio of corporate taxes to wage taxes using a simple political economy model with internationally mobile and immobile firms. Among other results, our model predicts that countries reduce their corporate tax rate, relative to the wage tax, either when...

This paper discusses trends in capital taxation and the role of the corporate tax rate in a welfare state. It provides a summary of the tax competition literature with special application to capital taxation in small versus large countries. A main finding from this literature is that small...

This paper discusses trends in capital taxation and the role of the corporate tax rate in a welfare state. It provides a summary of the tax competition literature with special application to capital taxation in small versus large countries. A main finding from this literature is that small...