| Acknowledgements | 第1-4页 |
| Abstract | 第4-5页 |
| 摘要 | 第5-8页 |
| Introduction | 第8-11页 |
| Chapter I Literature Review | 第11-18页 |
| ·Madison: groups as inherently bad | 第11-12页 |
| ·David Truman’s The Governmental Process | 第12-13页 |
| ·The “Upper-Class Bias”Theory | 第13-14页 |
| ·Interest Groups Eroding Government Authority | 第14-15页 |
| ·“Collective Action”Theory | 第15-16页 |
| ·The “Exchange Theory” | 第16-18页 |
| Chapter II Interest Group Politics Undermines Democracy | 第18-39页 |
| ·Inequality in Group Forming: the Flawed Disturbance Theory | 第19-22页 |
| ·The Disturbance Theory | 第19-20页 |
| ·Flaws of the Theory | 第20-21页 |
| ·Membership Bias | 第21-22页 |
| ·Inequality in Group Maintaining: the Free-Rider Problem | 第22-25页 |
| ·Theory about Free Riders | 第22-23页 |
| ·Citizen Groups Suffering More from the Problem | 第23-24页 |
| ·The Pro-Business Bias Resulting from the Problem | 第24-25页 |
| ·Inequality in Group Resources: Campaign Contributions and PACs | 第25-31页 |
| ·Campaign Contributions | 第26-27页 |
| ·Political Action Committee (PACs) | 第27-30页 |
| ·Recent Development of PACs | 第27-28页 |
| ·Criticism of PACs | 第28-30页 |
| ·Importance of Money for Interest Groups | 第30-31页 |
| ·Inequality in Group Operating —Lobbying and the “Rotating Door” | 第31-37页 |
| ·Defining Lobbying and Lobbyists | 第31-32页 |
| ·Lobbyists and the “Rotating Door” | 第32-33页 |
| ·Business Dominance in Lobbying | 第33-37页 |
| ·Business Interest Groups in the Lobbying Community | 第34-35页 |
| ·Pro-Business Bias in Lobbying | 第35-37页 |
| ·Chapter Summary | 第37-39页 |
| Chapter III Interest Group Politics Furthers Democracy | 第39-50页 |
| ·Legal Foundation for Interest Groups to Exist | 第39-40页 |
| ·Roles Played by Interest Groups | 第40-47页 |
| ·Collective Action | 第41-42页 |
| ·Representation | 第42-43页 |
| ·Participation | 第43-44页 |
| ·Education | 第44-45页 |
| ·Agenda Building | 第45-46页 |
| ·Program Monitoring | 第46-47页 |
| ·Development of Citizen Groups in Spite of Free-Riders | 第47-48页 |
| ·Chapter Summary | 第48-50页 |
| Chapter IV Regulating Interest Groups in America | 第50-53页 |
| Conclusion | 第53-56页 |
| Bibliography | 第56-59页 |