leverage a novel real-time dataset to conduct an out-of-sample forecasting exercise for U.S. real gross domestic product (GDP …

time portfolio approach to investigate the long-run anomalies, each of the methods is a subject to criticisms. In this … paper, we show that a recently introduced calendar time methodology, known as Standardized Calendar Time Approach (SCTA …), controls well for heteroscedasticity problem which occurs in calendar time methodology due to varying portfolio compositions …