ECON 2H03 Lecture Notes - Lecture 8: Real Income

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14 Dec 2017
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How to modify this to model open markets. Total demand for domestic goods includes: everything we want to purchase at home, plus everything foreigners want to purchase from us, less what we want to purchase from foreigners. Recall that e is the real exchange rate. Two adjustments: subtract imports- domestic demand for foreign goods, express the value of imports in terms of domestic goods eq, add exports- the demand for domestic goods that comes form abroad x. What drives the domestic demand for foreign goods: real income y- how much people are earning, real exchange rate e- how costly foreign goods are. Assumption: q= q(y,e: positive relations btwn q&y, negative relations between q and e. What drives the demand for exports: foreign real income y, real exchange rate. Assumption: x=x(y*,e: a rise in e implies real depreciations for the domestic currency. We distinguish between domestic demand and demand for domestic goods.

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