Suppose researchers at the University of Wisconsin discover a new vitamin that increases the milk production of dairy cows. If the demand for milk is relatively inelastic, the discovery will
a. raise both price and total revenues.
b. lower both price and total revenues.
c. raise price and lower total revenues.
d. lower price and raise total revenues.
b
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Crest Toothpaste offers new whitening toothpaste one year, a new gel swirl design the next year, and an improved cleaning formula the year after. Crest Toothpaste does this because it is
A) a monopoly trying to decrease its costs. B) a perfectly competitive firm trying to increase its price. C) a monopolistically competitive firm trying to maintain its economic profit. D) driving its competitors out of business. E) a perfectly competitive firm trying to increase its costs so it can increase its price.
If there is an excess demand for bonds at a given price of bonds, then
A) the interest rate will fall. B) the interest rate will rise. C) the price of bonds will fall. D) the interest rate may rise or the interest rate may fall depending upon the reasons for the excess demand for bonds.
Assume that tortilla chips and salsa are complements. When the price of tortilla chips decreases:
A. the demand for salsa increases. B. the demand for salsa decreases. C. the supply of salsa decreases. D. the demand for tortilla chips decreases.
If more insurance companies decide to cover part of the price of voluntary laser eye surgery and more doctors decide to enter the field of laser eye surgery, what will happen in the market for laser eye surgery as a result of these two factors?
A) Demand and supply will both increase. B) Demand will increase, but these two factors will not shift the supply curve. C) Supply will increase, but these two factors will not shift the demand curve. D) Demand will increase and supply will decrease.