On this account, impartial (self-sacrificing) behavior in particular matters may be motivated by self-interested considerations from a broader perspective.
It also turned the public sphere into a site of self-interested contestation for the resources of the state rather than a space for the development of a public-minded rational consensus.
The latter, an aspect of public choice theory, models public-sector behavior analogously to microeconomics, involving interactions of self-interested voters, politicians, and bureaucrats.