If each country allocated half of its labor force to the production of each good before trade and

were to then each specialize in their comparative advantage and allocate 75 percent of its

labor force to the production of that good, world production of good X would change by

_____ and the production of good Y by _____.

A) 40; 50

B) 25; -5

C) 15; -5

D) 50; 40

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