The Economist What』s it all about, alpha? 是阿爾法么? Mar 22nd 2007 From The Economist print edition Demystifying fund managers』 returns 解讀基金經理的效用 TOO many notes. That』s what Emperor Joseph II famously said to Mozart on seeing his opera 「The Marriage of Figaro」. But surely to [ ...閱讀全文 ]