What is the formula for the cross elasticity of demand? The percentage change in the
A) quantity demanded divided by the percentage change in the price of a substitute or complement.
B) quantity supplied divided by the percentage change in price.
C) quantity demanded divided by the percentage change in price.
D) quantity demanded divided by the percentage change in income.
E) equilibrium quantity demanded divided by the equilibrium quantity supplied.
A
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Which of the following is not an example of a public good that the government has made excludable?
A. Toll roads. B. City buses. C. State colleges. D. Fire Protection.
Consider a consumer choosing between spending her money on food, F, or clothing, C. Assume that a unit of food and a unit of clothing have the same price, and that the consumer can afford a total of 20 units of either food or clothing. This is an example of:
A. a constrained optimization problem. B. a sunk cost. C. a sinking cost. D. the No Marginal Improvement Principle.
Two companies, Dirty Inc. and Filthy Inc., each of which has access to 5 different production processes, each of which has a different cost and produces a different amount of pollution. The daily costs of the processes and the number of tons of smoke emitted are shown in the table below.ProcessABCDE(smoke/day)(4 tons/day)(3 tons/day)(2 tons/day)(1 tons/day)(0 tons/day)Cost to Dirty Inc. ($/day)$100$200$380$740$1,460Cost to Filthy Inc. ($/day)$400$430$490$580$700 Suppose pollution is initially unregulated. If the City Council imposes a tax of $91 per day on each ton of smoke emitted, then total emissions will fall to ________ tons of smoke per day.
A. 1 B. 4 C. 2 D. 8
If two goods are complements, a fall in the price of one will lead to an increase in demand for the other.
a. true b. false