When the Federal Reserve float __________, bank reserves __________

The three main methods that governments use to cope with an external cost of production include all of the following EXCEPT

A) taxes. B) mandating clean technology. C) cap-and-trade D) price floors.

In a market economy, differences in incomes will

a. reflect the relative scarcity of resources. b. provide individuals with an incentive to supply resources that are valued by others. c. determine the income distribution among market participants. d. do all of the above.