1. Department of Economics and Economic Policies, Bucharest University of Economic Studies, Bucharest, Romania
2. Institute for Economic Forecasting, “Costin C. Kiritescu” National Institute for Economic Research, Romanian Academy, Calea 13 Septembrie no. 13, District 5, Bucharest, 050711, Romania
3. Centre for Industry and Services Economics, “Costin C. Kiritescu” National Institute for Economic Research, Romanian Academy, Calea 13 Septembrie no. 13, District 5, Bucharest, 050711, Romania