Affiliation: | 1. School of Economics and Management, Tongji University, Shanghai 200092, China;2. School of Mathematical Sciences, Liaocheng University, Liaocheng 252059, China;1. Department of Physics, Panskura Banamali College, Panskura-721152, India;2. Department of Physics, Vidyasagar University, Midnapore-721102, India;3. Jaypee Institute of Information Technology, A-10, Sector-62, Noida, UP-201307, India;4. Department of Physics, Vidyasagar Teachers’ Training College, Midnapore-721101, India;1. Pomona College, United States;2. Claremont McKenna College, United States;1. Sorbonne Paris Cité, Université Paris Diderot, Service de Dermatologie, AP-Hp Hôpital Saint-Louis, INSERM UMR 1163, Institut Imagine, Paris, France;1. Alma Mata Working Group, London SW4 7TU, UK;2. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK;1. Department of Economics, Dartmouth College, Hanover, NH 03755-3514, United States;2. NBER, United States;3. Department of Economics, Texas Tech University, Lubbock, TX 79409, United States;4. Department of Economics, Dartmouth College, Hanover, NH 03755-3514, United States |