If a monopolist can sell 3 units at price of $150 per unit and 4 units at a price of $140 per unit, its marginal revenue at an output of 4 is

If the federal budget is initially balanced and government expenditures remain constant, then a decrease in GDP will

A) decrease tax revenues and create a budget surplus. B) increase tax revenues and create a budget surplus. C) decrease tax revenues and create a budget deficit. D) increase tax revenues and create a budget deficit.

The effect on the aggregate demand curve of which of the following is most similar to the effect of a decrease in the barriers to efficient functioning of financial markets?

A) a decrease in autonomous investment B) a decrease in the inflation rate C) an autonomous loosening of monetary policy D) a decrease in expected inflation E) a negative price shock