The U.S. produces and sells millions of different products. To aggregate them together into a single measure of domestic output, the quantity of each good produced is weighted by its ________.

A discussion on whether an economic practice is ethical would likely be found in an article on

a. businesses that failed b. macroeconomics c. positive economics d. normative economics

Early efforts by states to regulate the railroads:

a. resulted in "Granger laws." b. resulted in laws that were initially supported by the railroads. c. outlawed product discrimination. d. allowed for higher charges on short haul freight.