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In light of the substantial movement towards trade liberalization during the postwar period, this paper attempts to determine if, and when, countries experienced statistically significant changes in the paths of their export-GDP and import-GDP ratios. We find that: (1) most trade ratios exhibited a...
In light of the substantial movement towards trade liberalization during the postwar period, this paper attempts to determine if, and when, countries experienced statistically significant changes in the paths of their export-GDP and import-GDP ratios. We find that: (1) most trade ratios exhibited a structural break in their time paths; (2) postbreak trade exceeded prebreak trade for the majority of countries; (3) the coincidence in timing between the import and export breaks does not appear to be particularly strong, and; (4) there is little relation between the extent of change in imports and the extent of change in export for most countries.
