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Published byNathan Quinn Modified over 9 years ago
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Chapter Five Choice
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Economic Rationality u The principal behavioral postulate is that a decisionmaker chooses its most preferred alternative from those available to it. u The available choices constitute the choice set. u How is the most preferred bundle in the choice set located?
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Rational Constrained Choice x1x1 x2x2
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x1x1 x2x2 Utility
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Rational Constrained Choice Utility x2x2 x1x1
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Rational Constrained Choice x1x1 x2x2 Utility
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2 Affordable, but not the most preferred affordable bundle.
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Rational Constrained Choice x1x1 x2x2 Utility Affordable, but not the most preferred affordable bundle. The most preferred of the affordable bundles.
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Rational Constrained Choice x1x1 x2x2 Utility
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice Utility x1x1 x2x2
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Rational Constrained Choice x1x1 x2x2
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x1x1 x2x2 Affordable bundles
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Rational Constrained Choice x1x1 x2x2 Affordable bundles
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Rational Constrained Choice x1x1 x2x2 Affordable bundles More preferred bundles
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Rational Constrained Choice Affordable bundles x1x1 x2x2 More preferred bundles
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Rational Constrained Choice x1x1 x2x2 x1*x1* x2*x2*
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x1x1 x2x2 x1*x1* x2*x2* (x 1 *,x 2 *) is the most preferred affordable bundle.
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Rational Constrained Choice x1x1 x2x2 x1*x1* x2*x2* (x 1 *,x 2 *) is interior. (x 1 *,x 2 *) exhausts the budget.
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Rational Constrained Choice x1x1 x2x2 x1*x1* x2*x2* (x 1 *,x 2 *) is interior. (b) The slope of the indiff. curve at (x 1 *,x 2 *) equals the slope of the budget constraint.
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Rational Constrained Choice u (x 1 *,x 2 *) satisfies two conditions: u (a) the budget is exhausted; p 1 x 1 * + p 2 x 2 * = m u (b) the slope of the budget constraint, -p 1 /p 2, and the slope of the indifference curve containing (x 1 *,x 2 *) are equal at (x 1 *,x 2 *).
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