Refer to Table 15-4. What is the economically efficient output level?

Financial capital flows could include

A) real estate purchases. B) construction of factories. C) sales of a business. D) the purchase of the physical assets and operations of a multinational corporation by another. E) currency market transactions.

Which of the following statements about demand is true?

a. The demand curve for a group of consumers in a market is simply the horizontal summation of each individual's demand. b. The single demand curve shows the quantity of a good that people will buy, allowing all factors (price, income, expected future prices, etc.) to vary. c. An increase in income will cause a person to move down and to the right along her demand curve. d. All of the above are true.