Walid Marrouch Lebanese American University and CIRANO   Lebanese American University Beirut, P.O. Box. 13-5063 Lebanon   walid.marrouch@lau.edu.lb   http://sb.lau.edu.lb/faculty-research/faculty/economics/dr-walid-marrouch.php           JEL Areas: Q5 : Environmental Economics: General Q4 : Energy: General