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...

We develop a model of commodity tax competition with monopolistically competitive internationally mobile firms, transport costs, and asymmetric country sizes. We investigate the impacts of non-cooperative tax setting, as well as of tax harmonization and changes in the tax principle, in both the...

A Theory of International Taxation combines qualitative and quantitative analyses to shed light on the shaping of the international tax regime (ITR) over the last century. It offers a theory of the ITR as the product of the strategic interaction between three small groups: international...

In the context of international tax coordination incomplete information is one of the well-known frictions that can lead to bargaining failure and might explain a lack of observed coordination. We consider international negotiations about tax coordination under complete and incomplete...

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...