I co-authored a piece back in December, at the time of the DPT announcement, which highlighted the danger of unilateral tax reform by the UK, and the uncertainly this would generate. It can be found here.
Now the US has joined in, with a proposal from President Obama to impose a levy on the cash being held offshore by US corporations. The stated aim is to raise $200 billion from the estimated $2 trillion being held outside the reach of the US tax net.
