A key issue for many countries and even for international organizations including "The World Bank" and "The United Nations" is how to attack poverty. In many countries of the world, millions of people are hungry, lacking shelter and clothing, sick and uncared for, illiterate and not schooled....

Economic convergence is one of the important topics of new macroeconomics. It refers to tendency of income per capita of countries (regions) to converge to their steady-state value. There are two kinds of convergence: conditional and absolute convergence. This paper examines income convergence...