Which of the following would shift the supply curve for smartphones to the right?
A) an increase in consumer income (assuming that all smartphones are normal goods)
B) an increase in the price of a substitute in production
C) a decrease in the price of an input used to produce smartphones
D) a decrease in the number of firms that produce smartphones
C
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The key characteristic of oligopoly markets is "interdependence among firms." This means that: a. the demand curve faced by each firm is perfectly elastic
b. each firm produces a product identical to its rivals. c. each firm must consider how its decisions will affect its competitors. d. firms will be able to earn above-normal profits in the long run.
In economic theory, the word "demand" refers to
a. the amount people are willing to purchase at various prices. b. those wants or needs that are urgent or pressing. c. wants that are economic in character rather than social, cultural, or spiritual. d. the desire of persons for a good, regardless of whether they're willing to purchase the good.