In association with Working Paper nos. 609, 611, and 613 (see the October 2010 Report), Arnelyn Abdon, Marife Bacate, Jesus Felipe, and Utsav Kumar, Asian Development Bank, Manila, Philippines, use Cesar A. Hidalgo and Ricardo Hausmann's method of reflections and definitions of complexity to rank 5,107 products and 124 countries. They determine that the most complex products are related to machinery, chemicals, and metals, while the least complex products are raw materials and commodities, wood, textiles, and agricultural products. The most complex economies are Japan, Germany, and Sweden, while the least complex are Cambodia, Papua New Guinea, and Nigeria.
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