What wealth flight laws do countries with freely tradable currencies have? AFAIK I could move a million dollars from my bank account to a bank account in England with no issues.
Beyond that, expatriation from the US is at an all-time high[3], and the rumor is that it's related to the adoption of Obama's progressive taxation schema.
[1] - http://en.wikipedia.org/wiki/Expatriation_tax#United_States
[2] - http://en.wikipedia.org/wiki/Ex-PATRIOT_Act
[3] - http://www.thefiscaltimes.com/Articles/2013/11/18/US-Taxpaye...
Thanks for the correction.