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...

All over the world, firms and governments are increasingly concerned about the rise in tax complexity. To manage it and develop effective simplification measures, detailed information on the current drivers of complexity is required. However, research on this topic is scarce. This is surprising...

All over the world, firms and governments are increasingly concerned about the rise in tax complexity. To manage it and develop effective simplification measures, detailed information on the current drivers of complexity is required. However, research on this topic is scarce. This is surprising...