Which of the following is an example of money serving as a medium of exchange?
A. Richard puts money into a piggy bank.
B. Ellen deposits cash into a money market account.
C. Sean puts a new $20 bill into his currency collection.
D. Marian buys a carbo-loaded drink before a marathon.
Answer: D
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If coal-burning electrical utility companies fully internalized pollution costs, then we could expect
A) an increase in electricity prices. B) a decrease in electricity prices. C) no change in electricity prices. D) a greater use of coal to produce electricity.
A change in consumers' expectations about the future will shift both the aggregate expenditure curve and the aggregate demand curve
a. True b. False Indicate whether the statement is true or false
"Owners of firms in young industries should be willing to incur temporary losses if they believe that those firms will be profitable in the long run.". This observation helps to explain why many economists are skeptical about the
a. national-security argument. b. infant-industry argument. c. unfair-competition argument. d. jobs argument.
The following graph is the production possibilities curve of a nation:
Refer to the above graph. The marginal opportunity cost of the fourth unit of bread is:
A. 0 unit of drill presses
B. 1 unit of drill presses
C. 3 units of drill presses
D. 4 units of drill presses