Spillovers and Tax Sovereignty

Some countries are undertaking, and others considering, self-examination rules to detect whether proposed tax reforms might have a negative impact on tax policy or economic outcomes in less affluent countries. The impetus for this kind of analysis is a loosely articulated idea that states may have some obligations to each other in the ways they design their tax systems. As the United States looks to possibly significant corporate tax reform, considering the impact on other countries might be low on the list of policy priorities. If so, that indifference holds lessons and warnings for the future of global tax cooperation