| Definition | Term | Extra Hint |
| Exists when there is one primary seller in a market that faces very little competition exists | |
| A group of sellers that cooperate with each other to maintain the market price above the competive market price by limiting production | |
| A good or service that exhibits a positive externality for society and, therefore, will be underproduced under a pure free market system | |
| A tax on a negative externality | |
| A person that does not pay for a good or service, but neverthless enjoys it because he or she cannot be excluded from enjoying it | |
| A situation where a pure free market system fails to produce the efficient amount of a good or service | |
| A proponent of the government using fiscal stimulus as a means of pushing a recessionary economy to produce at the natural rate of output | |
| Two simultaneous quarters of contraction in a country's GDP | |
| A legal upper limit on the price of a good or service by the federal government that is meant to promote affordability of the good or service to consumers | |
| A good or service where people can be excluded from enjoying it, but one person's enjoyment of the good or service does not diminish that of another | |