If a firm in a monopolistically competitive market successfully uses advertising to decrease the elasticity of demand for its product, the firm will
a. be able to increase its markup over marginal cost.
b. eventually have to reduce price to remain competitive.
c. increase the welfare of society.
d. reduce its average total cost.
a
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If the central bank targets the interest rate, it
a. must decrease interest rates in response to an increase in money demand. b. rules out the possibility of runaway inflation. b. can lead to runaway inflation if maintained too rigidly. d. Both a and c e. Both b and c
Spending a lot on advertising:
A. can act as a credible signal to consumers of high-quality products. B. does not serve as a credible signal to consumers, since any producer can do it. C. can act as a credible signal to producers to create high quality substitutes. D. can act as a credible signal to consumers of low-quality products.