Machine Learning Meets Markowitz
收藏NBER2026-02-01 更新2026-02-28 收录
下载链接：
https://www.nber.org/papers/w34861
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资源简介：
The standard approach to portfolio selection involves two stages: forecast the asset returns and then plug them into an optimizer. We argue that this separation is deeply problematic. The first stage treats cross-sectional prediction errors as equally important across all securities. However, given
提供机构：
美国国家经济研究局
创建时间：
2026-02-01
