Compared with the glacial progress on initiatives to counter tax avoidance, international projects on financial crime and bank regulation have done rather well.

ECONOMIST: All together now

Speaking at the World Economic Forum in Davos on Wednesday, Mr Cameron said that corporations must "pay their fair share" of taxes, and he pledged to use Britain's G8 chairmanship to counter tax avoidance.

BBC: Starbucks logo

The states will also work with the IRS on what it calls "counter marketing"--attempting to get the word out, through the media and tax professionals, that certain tax avoidance schemes don't work.

FORBES: Where's Nevada?