1. Energy and Macroeconomics Department King Abdullah Petroleum Studies and Research Center Riyadh Saudi Arabia
2. Research Program on Forecasting, Economics Department The George Washington University Washington District of Columbia USA
3. Modeling Socio‐economic Processes Institute of Control Systems Baku Azerbaijan
4. School of Economics and Management (SEM) Tsinghua University Beijing China
5. Business School, University of International Business and Economics Beijing China
6. Faculty of Management Sciences University of Gujrat Gujrat Pakistan
7. School of Economics and Finance Xi'an Jiaotong University Xi'an China