Despite prior literature emphasizing the increasing role of tax complexity, there is still no comprehensive tax complexity measure. This paper fills this gap and introduces the Tax Complexity Index (TCI), which consists of a tax code subindex and a tax framework subindex. The indices are...

Despite prior literature emphasizing the increasing role of tax complexity, there is still no comprehensive tax complexity measure. This paper fills this gap and introduces the Tax Complexity Index (TCI), which consists of a tax code subindex and a tax framework subindex. The indices are...

This paper introduces an index that comprehensively measures the complexity of countries' corporate income tax systems faced by multinational corporations. It builds on surveys of highly experienced tax consultants of the largest international tax services networks. The index, called Tax...