When there is a large asymmetry in labour law which generates inter-jurisdictional variation in labour remuneration, between trading partners, that creates a labour rate arbitrage in favour of a single trading partner, workers in the elevated partner's jurisdiction can be negatively affected. The goal of trade is to improve mutual and relative living circumstances in the trading jurisdictions by having all parties exercising themselves in areas where they have a comparative advantage. Regulatory arbitrage, the most pernicious of which is a labour rate arbitrage created by regulatory misalignment between partners is a fair agenda item in retooling NAFTA.
The "production distortions" caused by regulatory-generated arbitrage need to be addressed, and given the history of NAFTA, they are readily identifiable and quantifiable. The labour rate arbitrage can be readily addressed by a "labour rate tariff" imposed on jurisdictions that are distorting trade by allowing lax or exploitive labour policies. The tariff should be calculated on a "purchasing power parity" basis - that is to say, the labour assessment would be calculated against a given wage's capacity to purchase a given basket of goods in the jurisdictions of concern. If the tariff is calculated in this way, the "production distortions" are eliminated and the benefit of "true" comparative advantage is realized.
Trade agreements properly designed are a tide that raises all boats; this is one means to address labour concerns and maintain enthusiasm for "free" trade and support our export sector.
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