How to incorporate hard-to-value assets into the wealth tax? We analyze the effect of an optimal wealth tax on risk-taking behavior and welfare when investors do not only have the standard portfolio choice with a well-diversified market portfolio, but can alternatively choose to invest all their...

Multinational corporations increasingly use royalty payments for intellectual property rights to shift profits globally. This threatens not only the tax base of countries worldwide, it also affects the nature of competition for foreign direct investment (FDI). Against this background, our...

We study the link between a country's institutional quality in tax collection and its optimal corporate tax policies in a model of heterogeneous multinationals that can shift income using both debt and transfer prices. Countries with weak institutional quality can be made worse off adopting...

We study the capital structure of multinationals and expand previous theory by incorporating international debt tax shield effects from both internal and external capital markets. We show that: (i) multinationals' firm value is maximized if both internal and external debt are used to save tax;...

This paper studies the market and welfare effects of two main tax reforms – the Corporate Business Income Tax (CBIT) and the Allowance for Corporate Equity tax (ACE). Using an imperfect-competition model for a small open economy, it is shown that the well-known neutrality property of ACE does...

The digital economy is characterized by the use of intellectual property such as software, patents and trademarks. The pricing of such intangibles is widely used to shift profits to low-tax countries. We analyze the role of a source tax on royalty payments for abusive transfer pricing, and...

This paper investigates how concealment costs of transfer pricing and the probability of detection affect transfer pricing and firm behavior. We find that transfer pricing in intermediate production factors does not affect real activity of a multinational firm if the firm's concealment effort as...

Multinational corporations can shift income into low-tax countries through transfer pricing and debt financing. While most developed countries use thin capitalization rules to limit the extent to which a subsidiary can be financed with internal debt, a number of developing countries do not. In...