The
justification for zoning is superficially in terms of controlling externalities, but zoning is frequently put in place due to other motivations — the two
main ones being a) fiscal zoning, which is intended to improve a local jurisdiction's tax base by attracting occupants
whose tax contributions surpass their use of public services, and b) exclusionary zoning, which is meant to exclude or restrict a member of a racial, ethnic, or social class from occupying a jurisdiction (Pogodzinski, pg.