Organizations that depend heavily on idealistic or Why does economist Mancur Olson argue that joining an interest group is an irrational decision for most people? Multiple choice question. Groups rarely support their interests. Citizens can receive benefits without doing any work or paying any dues. Many issues are not solved by the political process. Joining increases the probability they will be passive citizens.purposive incentives rely on which of the following to mobilize support among those who sympathize with the group's goals? Multiple choice question. Free riders Financial incentives Political entrepreneurs Selective benefits