Originally posted by Colon™
Ok, now that I have time to elaborate: free trade deals that are restricted in territorial extension are inherently worse than global free trade deals, and may even be worse than no free trade deals at all. Why? Because it may lead to trade diversion rather than trade expansion and this diversion may not favour those that produce a given good most efficiently.
Example: country A can buy hammers from country B and country C. It mostly chooses to buy from country B because they produce those hammers 20% more cheaply. Country A also raises an tariff of 30% to all imports of hammers.
After a while country A and country C decide they want a closer relationship and therefore negotiate a free trade deal that removes all tariffs on the imports of hammers from country C. This means country C is now 10% cheaper than country B and the result is that country B sees its exports of hammers fall, even though they're a more efficient producer.
That's trade diversion, and it makes a mockery of the principle that the most efficient producer should win out, no matter where it's located. Granted a transatlantic free trade zone would be somewhat less worse than a bilateral one, because it involves more producers, but it's still inferior to a global free trade zone. The WTO is dedicated to removing trade barriers world-wide. A transatlantic zone may be good mercantilistic politics but it's not good economics.
Ok, now that I have time to elaborate: free trade deals that are restricted in territorial extension are inherently worse than global free trade deals, and may even be worse than no free trade deals at all. Why? Because it may lead to trade diversion rather than trade expansion and this diversion may not favour those that produce a given good most efficiently.
Example: country A can buy hammers from country B and country C. It mostly chooses to buy from country B because they produce those hammers 20% more cheaply. Country A also raises an tariff of 30% to all imports of hammers.
After a while country A and country C decide they want a closer relationship and therefore negotiate a free trade deal that removes all tariffs on the imports of hammers from country C. This means country C is now 10% cheaper than country B and the result is that country B sees its exports of hammers fall, even though they're a more efficient producer.
That's trade diversion, and it makes a mockery of the principle that the most efficient producer should win out, no matter where it's located. Granted a transatlantic free trade zone would be somewhat less worse than a bilateral one, because it involves more producers, but it's still inferior to a global free trade zone. The WTO is dedicated to removing trade barriers world-wide. A transatlantic zone may be good mercantilistic politics but it's not good economics.
Not equivalent to mercantalism. A free trade area between country A and Country C at least leads to net benefits for both the citizens of County A and Country C, even if the costs to country B are greater and so the net cost benefit for all is negative. And of course depending on empirical facts, the benefits to county A and C may exceed the costs to country B (if the base case is something other than complete free trade) At present the global free trade is not a reality. Given that, Free trade agreements may be the second best, even from a global perspective, and are likely to be good for the participants.

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