If marginal revenue equals zero, then demand at this level of output is
A) perfectly inelastic.
B) inelastic.
C) unit elastic.
D) elastic.
C
Economics
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Which of the following is a pure public good?
a. cable TV service b. fire protection c. a fireworks display d. corn flakes e. higher education
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When excess reserves increase, the deposit multiplier is
A. increased. B. decreased. C. staying the same. D. None of the above is correct.
Economics