Fairness requires that the social welfare function take into account the desires of more than one voter.
But this type of contact also demonstrates that the neighbourhood police see themselves as having a welfare function.
A second approach has been suggested based on economics and the social welfare function.
There are two major distinct but related types of social welfare functions.
That social welfare function could then be described as characterizing an equity dimension.
This welfare function marks the income, which a randomly selected person is most likely to have.
The source of a social welfare function remains a lasting difficulty.
The social welfare function shows the relative importance of the individuals that comprise society.
The social welfare function should account for the wishes of multiple voters.
Indeed, many different social welfare functions can meet Arrow's conditions under such restrictions of the domain.