Economics can be divided into two main branches of study:
a. capitalism and communism

In the traditional Keynesian model, if the government increases government spending,

A) the C + I + G + X line will shift up but the aggregate demand curve will not shift. B) the C + I + G + X line will shift down but the aggregate demand curve will not shift. C) the C + I + G + X line will shift up and the aggregate demand curve will shift to the right. D) the C + I + G + X line will shift down and the aggregate demand curve will shift to the left.

Refer to Figure 13-6. Suppose Dell finds the relationship between the average total cost of producing notebook computers and the quantity of notebook computers produced is as shown by Figure 13-2

Dell will maximize profits if it produces ________ notebook computers per month. A) 100,000 B) 200,000 C) 300,000 D) Not enough information is given to determine the profit-maximizing quantity.