We propose a new investment strategy, the improved cross-asset time-series momentum (I-XTSM) strategy, to improve investment performance. Using data on 25 investment portfolios and common commodities for the period from January 1990 to April 2021, we find that the I-XTSM strategy increases...

Purpose: The Group Method of Data Handling (GMDH) neural network has demonstrated good performance in data mining, prediction, and optimization. Scholars have used it to forecast stock and real estate investment trust (REIT) returns in some countries and region, but not in the United States (US)...

This Selected Issues paper analyzes various aspects of fiscal framework in the Republic of Mauritania. Mauritania needs to avoid pro-cyclical fiscal policies and adopt rules that guide medium-term fiscal sustainability. Fiscal policy has been responsible and focused on fiscal consolidation, but...