Are the bond markets going mad? It is a question that many investors might ask. For as anxiety has erupted in the eurozone, something striking has occurred with respect to US Treasuries and German Bunds. If you look at the credit derivatives market – the place where investors judge the risk of bond default – government bonds are getting riskier, not just in places such as Greece but in supposed havens such as Germany, too. Two years ago, for example, the credit default spread on a German Bund stood at 40 basis points – meaning that it cost €40,000 to...