Paul Volcker is a former chairman of the US Federal Reserve Board.
HONG KONG – Nowadays there is ample evidence that financial systems, whether in Asia in the 1990’s or a decade later in the United States and Europe, are vulnerable to breakdowns. The cost in interrupted growth and unemployment has been intolerably large.
Illustration by John Overmyer 
But, in the absence of international consensus on some key points, reform will be greatly weakened, if not aborted. The freedom of money, financial markets, and people to move – and thus to escape regulation and taxation – might be an acceptable, even constructive, brake on excessive official intervention, but not if a deregulatory race to the bottom prevents adoption of needed ethical and prudential standards……article