Zinc Communications developed a new type of cellular telephone that has a three-dimensional (3-D) screen. The company holds a patent on this technology, so they are the only seller of the 3-D phone when it is introduced
Over time, other companies introduce phones that are similar but not identical (i.e., they do not violate the patent held by Zinc). What happens to the demand for 3-D phones facing Zinc and to the profit-maximizing price for the 3-D phone as these similar products enter the market? A) Demand becomes less elastic, price increases
B) Demand becomes less elastic, price declines
C) Demand becomes more elastic, price increases
D) Demand becomes more elastic, price declines
D
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In which of the following market structures would X-inefficiency be most likely to exist?
A) Perfect competition.
B) Monopolistic competition.
C) Oligopoly.
D) Monopoly.
Suppose that the wage for musicians decreases relative to other occupations. We know that ________ people will work in music, and the total number of hours worked will ________.
A. more; increase B. more; decrease C. fewer; increase D. fewer; decrease
The supply curve for umbrellas
A) shows the supply of umbrellas consumers are willing and able to buy at any given price. B) is downward sloping. C) shows the relationship between the quantity of umbrellas firms are willing and able to supply and the quantity of umbrellas consumers are willing and able to purchase. D) shows the relationship between the price of umbrellas and the quantity of umbrellas supplied.
If the substitution effect of the real interest rate on saving is smaller than the income effect of the real interest rate on saving, then a rise in the real interest rate leads to a ________ in consumption and a ________ in saving, for someone who's a lender.
A. rise; rise B. rise; fall C. fall; rise D. fall; fall