- UID
- 218211
- 帖子
- 659
- 主题
- 120
- 注册时间
- 2011-5-26
- 最后登录
- 2012-9-12
|
5#
发表于 2011-7-13 17:24
| 只看该作者
mik82 Wrote:
-------------------------------------------------------
> The B-L model uses mkt equilibrium weights and
> covariance to solve for the expected return.
> However, the formula is not presented in the book.
> I don't know exactly how that's done
> mathematically. Once the expected returns are
> calculated, then they are adjusted to reflect the
> investor's views and the confidence level in those
> views. Lastly, optimization is used to calculate
> asset weights, just like in MV. Can anybody
> correct/enhance my explanation? I have to say that
> the B-L, re-sampling EF and other parts of asset
> allocation are poorly written. So confusing.
this is a very good explanation |
|