If you see a large group of stranded passengers standing next to a disabled bus, and you have only three seats in your car, deciding who to rescue deals with the issue of: a) efficiencyb) equityc) scarcityd) macroeconomics

c) scarcity

Explanation:

Scarcity is a state in which resources are relatively less then the requirement, and thus an individual aims to best utilize those limited resources.

In the given instance,

There is a large group of stranded passengers, who are standing next to a disabled bus, seats available are only three.

Since there is limited number of seats with relatively high demand the problem here is of about an issue relating to

c) scarcity

answerjointly by the fed and by the behavior of individuals who hold money and of banks in which money is held;

answer (b); /// a method of measuring the opinions of a large group of people by selecting a subset of the larger group, asking them a set of questions and then generalizing those responses;