剧情简介：Diversification provides a well-known way of getting something close to a free lunch: by spreading money across different kinds of investments, investors can earn the same return with lower risk (or a much higher return for the same amount of risk). This strategy, introduced nearly fifty years ago, led to such strategies as index funds. What if we were all missing out on ano...(展开全部)
作者：Ian Ayres
出版社：Basic Books
ISBN：9780465018291
