Tax Chauvinism: Who Cares Where a Firm is Incorporated?

Following the recent offer by U.S drugmaker Pfizer to acquire British pharmaceutical firm AstraZeneca, congressional Democrats are proposing new limits on the ability of U.S.-based firms to establish foreign residence and thus cut their U.S. corporate tax bill. Even before this latest flap, the Obama Administration proposed curbs on this practice, known as an inversion.