REFERENCES E. Moretti , "Human Capital Externalities in Cities," NBER Working Paper No. 9641, April 2003, and Handbook of Regional and Urban Economics, Amsterdam: North Holland-Elsevier, 2004 . 5. L. Lochner and E. Moretti , "The Effect of Education on Criminal Activity: Evidence from Prison Inmates, Arrests and Self-Reports," NBER Working Paper No. 8605, November 2001, and American Economic Review, 94 (1), (2004 ). 6. J. Currie and E. Moretti , "Mother's Education and the Intergenerational Transmission of Human Capital: Evidence from College Openings," NBER Working Paper No. 9360, December 2002, and Quarterly Journal of Economics, 118 (4), (2003 ). Montenegro, C. E., and H. A. Patrinos . 2014. Comparable Estimates of Returns to Schooling Around the World. World Bank Policy Research Working Paper Series 7020. Munich, Daniel, and George Psacharopoulos . 2018. The External and Non-Market Benefits of Education: A Review. EENEE, Analytical report No. 3/2017.Oreopoulos , P. 2006. “Estimating Average Guiga , H., & Rejeb , J. (2012). Poverty, growth and inequality in developing countries. International Journal Of Economics & Financial Issues (IJEFI), 2(4), 470-479 . Reale , E., & Seeber , M. (2011). Drivers of inequalities in higher education and the unexpected consequences of equality policies. Higher Education Policy, 24(2), 185-211. UNESCO. (2012). EFA Global monitoring report. Paris: UNESCO. UNESCO. (2013). World inequality database on education. Retrieved from http://www.education-inequalities.org