ECO100Y5 Lecture 6: Lecture 6 - October 17, 2017
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I(cid:374)differe(cid:374)(cid:272)e curves, i(cid:374)(cid:272)o(cid:373)e/su(cid:271)stitutio(cid:374) effe(cid:272)ts o(cid:374) de(cid:373)a(cid:374)d, giffe(cid:374) goods. Indifference curves represent all bundles of two goods that provide the exact same utility. Each point on the curve is a bundle with varying amounts of the two goods. Consumer is indifferent between any 2 points on this indifference curve. If there was an indifference curve above this one, then they would prefer all points on that curve. Slope of indifference curves are known as the. If the indifference curve is generated by utility function u(x, y) then the mrs is: (cid:1801)(cid:1818)(cid:1807)(cid:1814)(cid:1801) (cid:1792)(cid:1801)(cid:1820)(cid:1805) (cid:1815)(cid:1806) (cid:1793)(cid:1821)(cid:1802)(cid:1819)(cid:1820)(cid:1820)(cid:1815)(cid:1814)= ood. Ood (cid:1801)(cid:1818)(cid:1807)(cid:1814)(cid:1801) (cid:1792)(cid:1801)(cid:1820)(cid:1805) (cid:1815)(cid:1806) (cid:1793)(cid:1821)(cid:1802)(cid:1819)(cid:1820)(cid:1820)(cid:1815)(cid:1814)= marginal utility of ood. A budget line represents all (apple, orange) bundles that exhausts the budget (w). 2 optimality conditions: mu(cid:3051)p(cid:3051) =mu(cid:3052)p(cid:3052, the whole budget is used. 2 graphical optimality conditions: be on the highest indifference curve, be tangential to the budget line. Tangential when mrs (slope of indifference curve) is equal to p(cid:3051)p(cid:3052) (slope of budget line)!