Example The equations defining a model of two trading nations are given by Y, = C, + I} + X, = M, Y, = C, + Iţ + X, – M; C, = 0,8Y, + 200 M = 0,2Y,| C; = 0,9Y; + 100 M2 = 0.1Y; Express this system in matrix form and hence write Y, in terms of I'† and I4. Write down the multiplier for Y, due to changes in 1ţ and hence describe the effect on the national income of country 1 due to changes in the investment in country 2.

Principles of Economics 2e
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ISBN:9781947172364
Author:Steven A. Greenlaw; David Shapiro
Publisher:Steven A. Greenlaw; David Shapiro
Chapter33: International Trade
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Example
The equations defining a model of two trading nations are given by
Y, = C, + If + X, – M, Y, = C, + Iț + X; – M;
C, = 0.8Y, + 200
C; = 0.9Y; + 100
%3D
м, — 0.2Y,
M2 = 0.1Y,
Express this system in matrix form and hence write Y, in terms of I'† and 14.
Write down the multiplier for Y, due to changes in 1 and hence describe the effect on
the national income of country 1 due to changes in the investment in country 2.
Transcribed Image Text:Example The equations defining a model of two trading nations are given by Y, = C, + If + X, – M, Y, = C, + Iț + X; – M; C, = 0.8Y, + 200 C; = 0.9Y; + 100 %3D м, — 0.2Y, M2 = 0.1Y, Express this system in matrix form and hence write Y, in terms of I'† and 14. Write down the multiplier for Y, due to changes in 1 and hence describe the effect on the national income of country 1 due to changes in the investment in country 2.
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