Unformatted text preview: of x . What’s left over goes to external demand. Thus, we have the Leontief equation x = Ax + d. Since it takes 0.3 units of steel and 0.2 units of coal to produce one unit of steel, we have that ± . 3 . 2 ² = ± a 11 a 12 a 21 a 22 ²± 1 ² = ± a 11 a 21 ² . Similarily, since it takes 0.1 units of steel and 0.6 units of coal to produce one unit of coal, we have that ± . 1 . 6 ² = ± a 11 a 12 a 21 a 22 ²± 1 ² = ± a 12 a 22 ² . Thus, we have that A = ± . 3 0 . 1 . 2 0 . 6 ² ....
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 Fall '11
 Humfery
 Matrices, Coal, technology matrix, Chess opening, Howard Staunton, Flank opening

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