Minimum-wage laws dictate a. the exact wage that firms must pay workers. b. a maximum wage that firms may pay workers. c. a minimum wage that firms may pay workers. d. both a minimum wage and a maximum wage that firms may pay workers. Policymakers use taxes. a. to raise revenue for public purposes but not to influence market outcomes. b. both to raise revenue for public purposes and to influence market outcomes. c. when they realize that price controls alone are insufficient to correct market inequities. d. only in those markets in which the burden of the tax falls clearly on the sellers. In a competitive market free of government regulation, a. price adjusts until quantity demanded is greater than quantity supplied. b. price adjusts until quantity demanded is less than quantity supplied.