Even a cursory rummage through the tool kit of policy scholars should be enough to reveal a dominant manufacture's label:"made in economics." for or good or bad, much of quantitative policy analysis rests squarely on a set of concepts and techniques that are imported directly from economics. Policy analysts borrow so heavily from economics for their conceptual and analytic gear for good reasons. Public policy can be thought of as a purposive course of action undertaken by public authorities, specifically come action designed to resolve someproblem or produce some desirable state of affairs that would not occur without government intervention