One way in which AARP (formerly the American association of retired persons) has been effective at overcoming the free-rider problem is by providing selective incentives to its members.
Pressure groups exist because they overcame the free-riding problem by attracting members through other means. Pressure groups are formed as a result of deals (exchanges) between group entrepreneurs and underrepresented or unrepresented unorganized pressure groups.
Public Interest Groups suffer the most from the free-riding problem. Because their goal is to provide a collective good.
We have a large staff defending the federal government. - Each American association member's contribution is small but well-funded.
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