Denmark is 60%, Sweden is 57% for their highest individual income tax bracket. The US effective corporate rate is much lower.

Corporate inversion and capital flight happen because we have the loopholes to allow it to happen. Close em.

The corporations can leave the country but can they stop doing business in America? I think not. You do business in the US and you're subject to US jurisdiction. Certainly individuals can, but not many rich people are itching to move to Dubai.