what does "make interpersonal comparisons of welfare" mean? Question 32 options: identifying who ends up better off from a change in consumption and who ends up worse off calculating individual incomes so that they can be compared being able to determine if society is better off by looking at the welfare gains of one group and comparing those to the welfare losses of another group determining if a person ends up better off from a change in their consumption of goods determining who benefits and who ends up as a result of an exchange