ECO100Y1 Lecture 20: lecture 20-4
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With trade, a country can consume outside its ppf by specializing in the production of goods in which it has a comparative advantage. (cid:862)la(cid:449) of o(cid:374)e p(cid:396)i(cid:272)e(cid:863) Internationally traded goods with low transportation costs must sell at the same price in all countries: this is (cid:862)the (cid:449)o(cid:396)ld p(cid:396)i(cid:272)e(cid:863). Domestic price < world price: opportunity cost [domestic resources] of producing good is low. Domestic price > world price: opportunity cost [domestic resources] of producing good is high. Answer: look at which goods the country is importing and exporting. Domestic price < world price country has a comparative advantage and will export good. Domestic price > world price country does not have a comparative advantage and will import good (remember: in perfect competition, prices reflect costs of production) Simplifying assumptions [trade between nations: ca(cid:374)ada is a s(cid:373)all e(cid:272)o(cid:374)o(cid:373)y (cid:396)elati(cid:448)e to the (cid:449)o(cid:396)ld e(cid:272)o(cid:374)o(cid:373)y, so the (cid:449)o(cid:396)ld p(cid:396)i(cid:272)e is (cid:862)gi(cid:448)e(cid:374)(cid:863, e(cid:395)ui(cid:448)ale(cid:374)tly, dd fo(cid:396) t(cid:396)aded goods is pe(cid:396)fe(cid:272)tly elasti(cid:272) at the (cid:862)(cid:449)o(cid:396)ld p(cid:396)i(cid:272)e(cid:863)