I. The Interest-Group System
A. Economic Groups
1. Types of Economic Groups
2. An Organizational Edge
B. Citizens' Groups
1. The Free-Rider Problem
2. Types of Citizens' Groups
C. A Special Category of Interest Group: Governments
II. Inside Lobbying: Seeking Influence through Official Contacts
A. Acquiring Access to Officials
1. Lobbying Congress
2. Lobbying Executive Agencies
3. Lobbying the Courts
B. Webs of Influence: Groups in the Policy Process
1. Iron Triangles
2. Issue Networks
III. Outside Lobbying: Seeking Influence through Public Pressure
A. Constituency Advocacy: Grassroots Lobbying
B. Electoral Action: Votes and PAC Money
IV. The Group System: Indispensable but Biased
A. The Contribution of Groups to Self-Government: Pluralism
B. Flaws in Pluralism: Interest-Group Liberalism and Economic Bias
C. A Madisonian Dilemma