Gargi Bhattacharya Mahadevananda Mahavidyalaya   Assistant Professor Department of Economics Mahadevananda Mahavidyalaya Barrackpore, Kolkata, West Bengal 700120 India   g.b82here@gmail.com   http://www.mahadevanandamahavidyalaya.com/           JEL Areas: J : Labor and Demographic Economics O4 : Economic Growth and Aggregate Productivity: General