Which of the following is not correct? question 18 options: a) markets allocate scarce resources with the forces of supply and demand. b) the equilibrium of supply and demand is typically an efficient allocation of resources. c) governments can sometimes improve market outcomes. d) externalities cannot be positive.

what group of people depend on what yoy are talking i will still you once you tell me what group of people you are talking about : )

i think i know what group you are talking about so the brahmins

no because it could make the world a terrible place to live in.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."