7. Fred's preferences between pairs of shoes, S, and dollars available to spend on all other goods, D, can be represented by the utility function u(S, D) = SD. Because of government regulations, pairs of shoes are not sold together. Left and right shoes must be purchased separately at prices pr, and pR, respectively. Fred's endowment consists of m dollars and the price of D is 1. (a) Solve Fred's optimization problem and derive expressions for his optimal purchases and his optimized level of utility as functions of the exogenous variables (prices). (b) Fred's one-legged uncle has died and left him all his shoes (and they wear the same size.) Thus, Fred now enters the market with m dollars and Lo left shoes. Answer part (a) for this case. (Hint: Assume that Fred can sell shoes on the market for the same price that he purchases them.)

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Chapter1: Making Economics Decisions
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7. Fred's preferences between pairs of shoes, S, and dollars available to spend on
all other goods, D, can be represented by the utility function u(S, D) = SD.
Because of government regulations, pairs of shoes are not sold together. Left
and right shoes must be purchased separately at prices pL and pR, respectively.
Fred's endowment consists of m dollars and the price of D is 1.
(a) Solve Fred's optimization problem and derive expressions for his optimal
purchases and his optimized level of utility as functions of the exogenous
variables (prices).
(b) Fred's one-legged uncle has died and left him all his shoes (and they wear
the same size.) Thus, Fred now enters the market with m dollars and Lo
left shoes. Answer part (a) for this case. (Hint: Assume that Fred can
sell shoes on the market for the same price that he purchases them.)
Transcribed Image Text:7. Fred's preferences between pairs of shoes, S, and dollars available to spend on all other goods, D, can be represented by the utility function u(S, D) = SD. Because of government regulations, pairs of shoes are not sold together. Left and right shoes must be purchased separately at prices pL and pR, respectively. Fred's endowment consists of m dollars and the price of D is 1. (a) Solve Fred's optimization problem and derive expressions for his optimal purchases and his optimized level of utility as functions of the exogenous variables (prices). (b) Fred's one-legged uncle has died and left him all his shoes (and they wear the same size.) Thus, Fred now enters the market with m dollars and Lo left shoes. Answer part (a) for this case. (Hint: Assume that Fred can sell shoes on the market for the same price that he purchases them.)
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