What is it? The book unfortunately provides just one example that isn’t very clear to me:
“One popular approach evaluates risks by their underlying risk classes, such as equity, fixed income, commodity risk, and so on, and then allocates investments by their risk class.”
(Institute 286)
Institute, CFA. 2016 CFA Level I Volume 4 Corporate Finance and Portfolio Management. CFA Institute, 07/2015. VitalBook file.
The citation provided is a guideline. Please check each citation for accuracy before use.