Economist.com - Cities Guide: "Tax evasion is something of a national sport in Belgium, which has some of the most punitive tax rates in the world. In particular, Belgians are adept at squirreling their money abroad, so they do not have to declare it or pay tax on the interest. But moves to end bank secrecy across the European Union have made Belgians nervous about their Luxembourg accounts"
thanks to Q for the alert!