figuring out there is no such thing as a free lunch but Markowitz tells us that diversification is a free lunch.
知道世上没有免费的午餐这回事,但马科维茨称分散投资是免费的午餐
耶鲁公开课 - 金融市场课程节选
应用推荐
模块上移
模块下移
不移动