Bulk of South Asian business goes to markets outside, like the United States, Europe and Japan, though some neighbors like India and Sri Lanka have made some gains in opening up borders.
Comparatively, trade within East Asia is 20 percent of GDP, the South Asia: Growth and Regional Integration report, prepared by the World Bank with the SAARC Business Conclave in Mumbai.
Integration within South Asia has just not happened, with countries maintaining higher levels of protection and restrictive policies within the region, the report says.
As a result, the cost of trading across borders is the highest in South Asia, while South Asia’s competitors in other parts of the world have dramatically lowered customs and port cl