2 papers
q-fin.PM2026
Decision-Induced Ranking Explains Prediction Inflation and Excessive Turnover in SPO-Based Portfolio Optimization
Yi Wang, Takashi Hasuike
Decision-focused learning (DFL) is attractive for portfolio optimization because it trains predictors according to downstream decision quality rather than prediction accuracy alone…
q-fin.PM2026
Smart Predict--then--Optimize Paradigm for Portfolio Optimization in Real Markets
Wang Yi, Takashi Hasuike
Improvements in return forecast accuracy do not always lead to proportional improvements in portfolio decision quality, especially under realistic trading frictions and constraints…