This chapter surveys the theory of international tax competition and coordination, which, matching the increasing policy importance of the topic, has grown substantially over the last thirty years. It focuses on the taxation of capital income, stressing that issues arise not only in relation to...

The paper analyzes the effects of a regionally coordinated profit tax in a model with three active countries, one of which is not part of the union, and a globally mobile firm. We show that regional tax coordination can lead to two types of welfare gains. First, for investments that would take...

The United States implements much of its social policy through the income tax laws. The Code is rife with tax expenditures for education, housing, community economic development, retirement savings, and health care to name a few. But the IRS is not an agency with expertise in any of these areas...

This paper investigates the incentives for countries to implement and maintain the global minimum tax introduced by the G20/OECD’s Inclusive Framework 2021 agreement: Pillar 2. It argues that the agreement has sufficient elements to create incentives for large headquarters countries to...

This paper analyzes the implications of foreign firm ownership and international profit shifting through thin capitalization for corporate tax policy. We consider a model of interjurisdictional tax competition where the corporate tax serves as a backstop to the personal income tax, interest on...

This paper analyses the effects of a regionally coordinated corporate income tax in a model with three active countries, one of which is not part of the union, and a globally mobile firm. We show that regional tax coordination can lead to two types of welfare gain. First, for investments that...