For scene setting, I recommend you read two curtain-raiser posts by veteran observers of the negotiations: MichaelLevi at the Council on Foreign Relations and Andrew Light at the Center for American Progress.
In the crucial area of corporate transparency, says MichaelLevi, professor of criminology at the University of Cardiff, Jersey and Guernsey have tighter controls than Britain, where it is possible to conceal the identity of the beneficial owner of a company.