When a perfectly competitive firm weighs price and marginal cost and no externalities exist, it is weighing the full benefits to ________ of additional production against the full costs to ________ of that production.

The equation of exchange determines the supply of money in the economy.

a. true b. false

The multiplier effect suggests that:

A. spending $1 increases GDP by more than $1. B. spending $1 increases GDP by less than $1. C. saving $1 increases GDP by more than $1. D. spending $1 decreases GDP by more than $1.