In the period 2005–2012, the annual productivity growth rate was approximately _____

If a public service commission requires a natural monopoly to set its price equal to the long-run marginal cost, this will result in

A) excessive economic profits to the monopoly. B) normal economic profits to the monopoly. C) losses to the monopoly. D) either economic profits or losses, depending on the efficiency of the monopoly.

Suppose that real GDP is initially $13 trillion and the government attempts to increase real GDP to $14 trillion

The marginal propensity to consume is 0.75, and every $1.00 increase in real government spending crowds out $0.50 in real planned investment expenditures. How much increase in real government spending could lead to the desired level of real GDP? A) $200 billion B) $250 billion C) $500 billion D) $1 trillion