Frankel, Jeffrey A.; Stein, Ernesto; Wei, Shang-jin - 2021
. Intra-regional trade exceeds what can be explained by the proximity of a pair of countries, their sizes and GNP/capitas, and … intercontinental transport costs are neither prohibitive nor zero. If transport costs are low, continental Free Trade Areas can reduce … Preferential Trading Arrangements, despite the GATT's Article 24. The super-natural zone occurs when the regionalization of trade …