Which of the following pairs of goods is most likely to have a positive cross-price elasticity?
A) Printers and ink cartridges
B) A privately-owned car and public transportation
C) Coffee and sugar
D) Motorcycles and typewriters
B
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A single-price monopoly
A) must practice price discrimination. B) can lower its price for only a few select consumers if it wants to increase its sales. C) will set its price equal to a consumer's willingness to pay. D) must lower the price for all customers if it wants to increase its sales. E) is able to raise its price as high as it wants and consumers must still buy from it because it is a monopoly.
Assume that Coca-Cola and Pepsi-Cola are substitutes. A rise in the price of Coca-Cola will have which of the following effects on the market for Pepsi?
a. A movement down along the Pepsi demand curve. b. A rightward shift in the Pepsi demand curve. c. A movement up along the Pepsi demand curve. d. A leftward shift in the Pepsi demand curve.
J. J. Joubert, of the Joubert Dairy, tells his friend Jacques that the average revenue he gets for a liter of milk is $1 . We know then that $1 is the dairy's
a. marginal profit b. marginal cost c. price d. total revenue e. total profit
If the interest rates in an economy are close to zero, _____
a. there will be an excess demand for loanable funds b. the economy will be likely to fall into a liquidity trap c. expansionary monetary policy will be effective, but not contractionary monetary policy d. contractionary monetary policy will be effective, but not expansionary monetary policy