e. Show that the expenditure function for this case of CES utility is given by E = V(p, + p,)'"". f. Show that the function derived in part (e) is homogeneous of degree one in the goods' prices. g. Show that this expenditure function is increasing in each of the prices. h. Show that the function is concave in each price.

(dollars/16) 8= Ps 5 = P₁ 4= P₂ 0.1 = P4 016 а b g U.S. beef market Q3 Q₁ 113 120 125 (dollars/16) (thousand tons) Rises, L+m+n Falls, L Falls, o None of the above is correct 10=P₂ 7=P3 5-Pi 2= P6 k l Im Q4 Q5 74 76 Japan beef market 'S Q6 86 (thousand tons Refer to the above partial equilibrium model of trade (large country case). Assume the world price is $5 when reaching free-trade equilibrium. Moving from a closed situation to free trade, producer surplus in Japan______ by

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