what theory, draws heavily from economics. It assumes that in making decisions individuals try to maximize their self-interest. Thus it seeks to explain public policy in terms of the actions of individual policy actors who are motivated in this way, whether they are voters, interest group leaders, legislators, or agency officials. ................ theory, draws heavily from economics. It assumes that in making decisions individuals try to maximize their self-interest. Thus it seeks to explain public policy in terms of the actions of individual policy actors who are motivated in this way, whether they are voters, interest group leaders, legislators, or agency officials. Institutional theory Group theory Rational choice theory Elite theory