Along a curved line, the slope at the maximum
A) is greater than zero.
B) is zero.
C) is less than zero.
D) may be greater than, less than, or equal to zero.
Ans: B) is zero.
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Suppose Acme and Mega produce and sell identical products and face zero marginal and average cost. Below is the market demand curve for their product. 
For a monopolist facing this demand curve, the profit-maximizing quantity is ________ and the profit-maximizing price is ________.
A. 50; $3 B. 100; $2 C. 50; $2 D. 100; $1
Which of the following is not common to perfect competition and monopolistic competition?
a. Free entry b. Many sellers c. Elimination of long run economic profits d. Product differentiation
The concept of absolute poverty states that anyone who falls too far behind the average income should be considered poor
a. True b. False Indicate whether the statement is true or false
In 2015, the total income of all U.S. residents was approximately $16 billion
a. True b. False Indicate whether the statement is true or false