Which of the following does NOT help organize trade?

Which of the following does NOT help organize trade?
 
  A) property rights
  B) markets
  C) the production possibilities frontier
  D) None of the above because all these answers given help organize trade.

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Ques. 2

Ricardo buys cola and popcorn. Cola sells for 0.50 a can and popcorn sells for 1 per bag. He is in consumer equilibrium. The price of a cola jumps to 1 per can. In his new consumer equilibrium, Ricardo's
 
  A) marginal utility of cola will be equal to his marginal utility of popcorn.
  B) marginal utility per dollar spent will be 2.
  C) total utility will be higher.
  D) marginal utility of cola will decrease.

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Ques. 3

The fact that you may not know who your congressional representative is represents
 
  A) rational ignorance on your part.
  B) the rival nature of information.
  C) inefficient oversupply of public servants.
  D) the use of the median voter theorem.

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Ques. 4

In part, an antitrust laws
 
  A) provide for strict product liability.
  B) prohibit charging prices that customers think are too high.
  C) require firms with profits to pay dividends.
  D) prohibit monopolistic practices.

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Ques. 5

The unregulated, single-price monopolist illustrated in the figure above will produce
 
  A) 0 units per day.
  B) 4 units per day.
  C) 6 units per day.
  D) 9 units per day.

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Ques. 6

The above (incomplete) table provides information about the relationships between output and various cost measures. The marginal cost per unit when increasing output from 14 to 17 units is
 
  A) 20.
  B) 30.
  C) 380.
  D) None of the above answers is correct.