optimal level of active risk - SERP Analysis

https://www.reddit.com/r/CFA/comments/viumo8/l2_r43_optimal_amount_of_active_risk_formula_in/

https://analystprep.com/study-notes/cfa-level-2/calculate-and-interpret-the-information-ratio-ex-post-and-ex-ante-and-contrast-it-to-the-sharpe-ratio/

https://www.analystforum.com/t/optimal-level-of-active-risk/129352

https://analystprep.com/study-notes/cfa-level-2/explain-how-the-information-ratio-may-be-useful-in-investment-manager-selection-and-choosing-the-level-of-active-portfolio-risk/

https://breakingdownfinance.com/finance-topics/alternative-investments/optimal-amount-of-active-risk/

https://quant.stackexchange.com/questions/66444/optimal-active-risk

https://www.vanguard.co.uk/professional/vanguard-365/investment-knowledge/portfolio-construction/active-risk-and-determining-the-right-active-passive-allocation

https://www.panagora.com/assets/JOIM-Active-Risk-and-Information-Ratio.pdf

https://quant.stackexchange.com/questions/39291/active-portfolio-management-what-is-the-logic-behind-this-equation

https://www.bis.org/publ/bppdf/bispap58i.pdf