“Education is what remains after one has forgotten what one has learned in school” – Albert Einstein
It is widely recognized that education is the key to the future. In general, educated people have higher earnings and lower unemployment rates and highly-educated countries grow faster and innovate more than the other countries. Therefore, in the recent economic literature, education is considered as an investment good and look for the other investments, there is the costs and benefits of the investments in the education. The cost of the education is the ...