Exchange-rate stability is likely to be a more important goal for the central banks of:
A. countries where exports and imports make up a small total of all economic activity.
B. the U.S. and Japan than most small developing countries.
C. large, closed economies.
D. emerging market economies than the central bank of the U.S.
Answer: D
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The demand for cars in a certain country is given by: D = 20,000 - P, where P is the price of a car. Supply by domestic car producers is: S = 5,000 + 0.5P. If this economy is open to trade, and the world price of a car is $6,000, how many cars will be imported?
A. 3,000 B. 2,000 C. 4,000 D. 6,000
You explain to your friend Haslina, who runs a catering service called "Meals in a Zip," about an economic theory which asserts that consumers will purchase less of a product at higher prices than they will at lower prices
She contends that the theory is incorrect because over the past two years she has raised the price of her catered meals and yet has seen a brisk increase in sales. How would you respond to Haslina? A) Haslina is making the mistake of assuming that correlation implies causation. B) I will explain to her that there are some omitted variables that have contributed to an increase in her sales such as changes in income. C) I will explain to her that she is making the error of reverse causality: it is the increase in demand that has enabled her to raise her prices. D) Haslina is right; she has evidence to back her claim. The theory must be erroneous.
Why is the government budget constraint different between the short run and the long run?
What will be an ideal response?
Jessica owns a company that makes pre-packaged sandwiches for convenience stores. The market price for a sandwich is $5 and Jessica is a price-taker. Her daily variable cost for making sandwiches is C(Q) = 2.5Q + (Q2/40) and her marginal cost is MC = 2.5 + (Q/20). What is the average cost of a sandwich at the quantity of sandwiches Jessica should be selling each day?
A. $1.25 B. $2.50 C. $3.75 D. $6.25