In the above, which figure(s) has (have) at least one point at which the slope equals zero?

Multiplier effects occur when there is a change in spending which does not depend on income. Spending which does not depend on income is referred to as

A) coincident spending. B) nominal spending. C) autonomous expenditures. D) induced expenditures.

If the quantity of good A (QA) is plotted along the horizontal axis, the quantity of good B (QB) is plotted along the vertical axis, the price of good A is PA, the price of good B is PB and the consumer's income is I, then the slope of the consumer's

budget constraint is ________. A) -QA/QB B) -QB/QA C) -PA/PB D) -PB/PA E) I/PA or I/PB