The male partnership bonding is not so ingrained yet over successive years so the barriers are not as high.

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Concessions (that is, permission to retain trade barriers) were sought and granted in successive negotiating rounds of the General Agreement on Tariffs and Trade.

ECONOMIST: Poverty and inequality

By pitting exporters against importers, successive rounds of trade negotiations have encouraged politicians in many countries to lower trade barriers.

ECONOMIST: The puzzling failure of economics | The