IP boxes or patent boxes can be introduced so as to promote research and development (R&D) activities or attract mobile IP assets, but they can also cause harmful tax competition. Action 5 of BEPS project has analysed this problem and proposes the application of a ‘nexus approach’ that...

This paper develops a model of tax competition with three countries, which initially form a union where countries refrain from using different tax rates in different sectors of the economy. We study the impact of one country leaving the union. We show that the introduction of discriminatory...

This paper develops a model of tax competition with three countries, which initially form a union where countries refrain from using different tax rates in different sectors of the economy. We study the impact of one country leaving the union. We show that the introduction of discriminatory...