Assume the economy is in recession and real GDP is below full employment. The marginal propensity to consume (MPC) is 0.50, and the government follows Keynesian economics by using expansionary fiscal policy to increase aggregate demand (total spending). If an increase of $1,000 billion aggregate demand can restore full employment, the government should:

When a firm becomes so large it is difficult to coordinate and control, it is most likely that

A) economies of scale have begun. B) diseconomies of scale have begun. C) average total cost begins to fall. D) long-run average costs become negative. E) there are increasing marginal returns to increasing the firm's plant size.

Given the data in the above table, income of $13, a price of $1 for a bottle of water and $2 for a hamburger, what is the marginal utility per dollar spent on water and on hamburgers when the consumer is in consumer equilibrium?

A) 20 units of utility per dollar spent B) 10 units of utility per dollar spent C) 5 units of utility per dollar spent D) 1 unit of utility per dollar spent