In countries that have a lot of workers have low wages compared to countries with fewer workers, workers in low-wage countries have migrated to work in countries with higher pay.
In countries where labor wages are very low compared to countries with less labor. As a result, workers in countries with low wage immigrants to work in countries where wages are higher.
The countries with very low wage workers will be compared to countries with less labor. Effective in countries with low wage workers migrated to work in countries with higher wages.