In a developing economy, scarcity of capital may have more to do with a lack of incentive for citizens to save and invest productively than with any absolute scarcity of income available for capital accumulation.

As the number of advertisements of a firm increases from 100 to 500, its sales increases from $1,000 to $10,000. If this information is plotted on a line chart, the slope of the line equals:

A) $22.5. B) $0.044. C) $30.33. D) $20.

Poorly timed discretionary policy can do more harm than good. Getting the timing right with fiscal policy is generally

A) far less difficult than with monetary policy. B) about the same difficulty as with monetary policy. C) less difficult than with monetary policy. D) more difficult than with monetary policy.