A monopolist finds out that if he lowers his price from $10 to $8, sales rise from 100 units to 115 units. Therefore, in this price range,
a. marginal revenue is positive.
b. marginal revenue is negative.
c. the price elasticity of demand is greater than one.
d. both a and c are correct.
A
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In a typical college classroom without a seating chart, dozens of students nevertheless occupy classroom seats with a minimum of confusion and disorder. Economics explains the orderly process of seat selection by assuming students
A) engage in entirely random decisions, from which only divine intervention can generate order in the classroom. B) follow a simple, perhaps even unwritten, rule, such as "seats belong to the person who first occupies them." C) know all the consequences of their actions, and thus purposefully create an orderly classroom seating assignment even if the professor doesn't require one. D) trick question: economics cannot deduce any sensible scientific claims about the behavior of college students.
The financial market shock which occurred during the recession of 2007-2009 increased the default-risk premium, and the housing shock which occurred during the recession of 2007-2009 reduced wealth and residential construction
These two events would result in A) a movement up along the Phillips curve. B) a movement down along the Phillips curve. C) an upward shift of the Phillips curve. D) a downward shift of the Phillips curve.
Firm A produces and sells in a market that is characterized by highly differentiated consumer goods. Firm B produces and sells industrial products. Firm C produces and sells an agricultural commodity. Which firm is likely to spend the greatest portion of its total revenue on advertising?
a. firm A b. firm B c. firm C d. There is no reason to believe that any one of the three firms would spend a greater portion of its total revenue on advertising than the other two firms.
Suppose that the current federal funds rate is below the federal funds target rate. In order to raise the federal funds rate the Fed will ________________ securities on the open market which will ________________ the supply of reserves in the market for reserves, pushing the rate closer to the target rate
A) sell; increase B) purchase; increase C) purchase; decrease D) sell; decrease