TEHRAN- In a recent report by the World Bank in Washington, come to know that the theories of free trade and investment plans of this bank has been insufficient.

In a report which, published on Friday, the plan of "globalization" has left rift between the world's poorest and wealthiest countries.

The said research has been conducted according to national statistical surveys in relations with five-member families in 1988 developing countries and come to the notice that emancipation of trade and capital cause equivalent among well-to-do and average countries.

But among poor countries, those countries which their annual income, is less than $5,000 in year, results inequality advancement.

"Branco Milonovich, senior researcher of this bank expounds on problems such as poor: In a lower level, the average income is dedicated to the wealthiest in order to benefit from emancipation of trade and it seems that this incident aggravates the distribution.

Milatonovich added that these findings are contradictory with theory of economy standard, which says free trade and investment are in favor of the poorest countries. Because this will allow them to increase the export to the wealthiest countries and attract their capital.