Many things inform a country’s choice of tax system, including political considerations, public opinion, bureaucratic complexities, and ideas drawn from theoretical analysis. In this book, Robin Boadway examines the role of optimal tax analysis in informing and influencing tax policy design....

The paper considers a model of a federation with two heterogeneous regions that try to attract the capital by competing in capital income taxes and public investment that enhance the productivity of capital. The regions' choices determine the allocation of capital across the regions and their...

The Atkinson-Stiglitz Theorem states that if labor is weakly separable from goods in household utility functions, differential commodity taxation should not be not part of an optimal redistributive tax system. This Theorem, which is arguable the most policy-relevant result to come out of the...