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To answer Problem 8, complete Problem 7 first. Suppose that all of the information from Problem 7 holds except that the portion of lemons in the population is one-half rather than one-third. In this instance, prove that no good used

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Paul consumes only two goods, pizza (P) and hamburgers (H) and considers them to be perfect substitutes, as shown by his utility function: U(P, H) = P + 4H. The price of pizza is $3 and the price of hamburgers

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Answer all parts of Problem 3.15 for the utility function U(x, y) = x2 + y2. The marginal utilities are MUx = 2x and MUy = 2y.
In problem 15
a) Is the assumption that more is better

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Let us call et,1 = yt + 1 – ft,1 the 1-quarter-ahead forecast error that you have computed in Exercise 6. Is the expected value of the forecast errors equal to zero? If not, what do you conclude? Run the

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A package delivery company provides both overnight and second-day delivery services. It charges almost twice as much to deliver an overnight package to any world location as it does to deliver the same package to the same location in two

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Here are some balance of payments data (without pluses and minuses):
Merchandise exports, 100
Merchandise imports, 125
Service exports, 90
Service imports, 80
Investment income receipts from assets, 110
Investment income payments on assets,

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A small island nation is endowed with indestructible coconut trees. These trees live forever and no new trees can be planted. Every year $1 million worth of coconuts fall off the trees and can be eaten locally or exported to

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Inoculations create external benefits by reducing other people’s exposure to communicable diseases. Suppose the market demand curve for inoculations is Qd = 100 -10P, where Qd is millions of inoculations and P is the price per inoculation. Suppose also that

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Do you think that the regulation described in Problem 27-6 is more likely an example of the capture hypothesis or the share-the-gains, share the pains theory? Why?
Problem 27-6
Research into genetically modified crops has led to significant

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The variables and their assumed values are
Q = Quantity
P = Price of basic model = 7,000
A = Advertising expenditures (in thousands) = 52
Ppc = Average price of a personal computer = 4,000
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