Its contributory economics faculties, including the Ecole Normale Superieure, École des Hautes Études en Sciences Sociales, the Ecole Polytechnique and ENSAE, are ranked between the top 13 among 53 departments worldwide by publication output of the top five scholars.[6] According to the global economics departments ranking released in December 2016 by RePEc, Paris School of Economics was ranked at 5th worldwide, 1st in Europe.[7]