ECO 2121 Lecture Notes - Lecture 3: The O.C., Perfect Competition, Comparative Advantage

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19 Oct 2016
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We saw that trade is an important part of globalization for all countries in the world. For example, in canada, the share of export plus imports in gdp is about 62%. Therefore, next, we will examine the drivers of trade. The simple answer is that the price of a good differs across countries. Now, we are asking question on theories of international trade that describe. There are mainly three theories that explain trade: difference in. Differences in endowment (heckschler-ohlin model) increasing returns productivity (ricardian model) to scale (scale economies) The ricardian model: labour productivity and comparative advantage. The ricardian model says differences in labor productivity between countries cause productive differences, leading to gains from trade. The ricardian model uses the concepts of oc and ca. Theocofproducingagoodxintermsofyis the number of y that could have been produced with the resources used to produce a given number of good x. Suppose a country can employ its labor to produce either roses or computers.

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