This paper introduces an index of tax optimality that measures the distance of a current tax structure from the optimal tax structure in the presence of public goods. In doing so, we derive a [0, 1] number that reveals immediately how far the current tax configuration is from the optimal one...

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....

"In daily life and in tax law, time is taken for granted as something that is ever present but beyond our control. Time moves endlessly and relentlessly forward, constantly slipping from our grasp. But what if life were more like science fiction? What if we could, at will, move through time to...