Heinisch, Katja; Van Norden, Simon; Wildi, Marc - Leibniz-Institut für Wirtschaftsforschung Halle - 2026
Forecasts that minimize mean squared forecast error (MSE) often exhibit excessive volatility, limiting their practical applicability. We address this accuracy smoothness trade-off by introducing a Multivariate Smooth Sign Accuracy (M-SSA) framework, which extracts smoothed components from...