Distance, expressed in kilometers, is the great circle distance between geographic centers, using the Haversine formula. Coordinates from the CIA's The World Factbook 2000. Contiguity is equal to 1 if two trading partners share a border. From the CIA's The World Factbook 2000. Common Language is equal to 1 if two trading partners share a common first language. From the CIA's The World Factbook 2000.

Distance, expressed in kilometers, is the great circle distance between geographic centers, using the Haversine formula. Coordinates from the CIA's The World Factbook 2000. Contiguity is equal to 1 if two trading partners share a border. From the CIA's The World Factbook 2000. Common Language is equal to 1 if two trading partners share a common first language. From the CIA's The World Factbook 2000.

No abstract

Distance, expressed in kilometers, is the great circle distance between geographic centers, using the Haversine formula. Coordinates from the CIA's The World Factbook 2000. Contiguity is equal to 1 if two trading partners share a border. From the CIA's The World Factbook 2000. Common Language is equal to 1 if two trading partners share a common first language. From the CIA's The World Factbook 2000.

No abstract