Some economists observe that higher profit rates in large oligopolies stem from the greater efficiency arising from O a economies of scale O b. higher costs O c. higher prices O d. lower prices O e. brand loyalty in these large firms. In resource markets, a. households and utility are not related. b. households supply the resources that maximize utility. O c. households demand the resources that maximize profit. d. households supply the resources that minimize utility. e. households demand the resources that minimize profit. In product markets, firms O a. demand the goods and services that minimize profit. O b. supply the goods and services that minimize profit. O c. firms and profit are not related. Qd. demand the goods and services that maximize profit. O e. supply the goods and services that maximize profit.