American Government › Section J · Interest groups and lobbying › Topic J.2

Collective action and group formation

Millions of people may share an interest, yet few of them ever join a group to defend it. Explaining why, and how some groups manage to organise anyway, tells you which voices are loudest in American politics.

In this topic

  • The group project problem
  • Why acting alone rarely pays
  • The free-rider problem
  • Worked example: the arithmetic of free riding
  • Size and resources
  • Selective incentives
  • Leaders, patrons and required membership
  • Disturbance theory
  • Worked example: a free-rider dispute in court
  • Common mistakes to avoid
  • Key takeaways

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