We study political activism by several agents (lobbyists, unions, etc.) who have private but imperfect policy-relevant signals, and seek to influence the decisions of a policy maker. When agents can share information and coordinate their actions, the equilibrium is shown to be equivalent to that...

People with a self-control problem often seek relief through social interactions rather than binding commitments. Thus, in self-help groups like Alcoholics Anonymous, Narcotics Anonymous etc, members are said to achieve better personal outcomes by mainly sharing their experiences. In other...

We study political activism by several interest groups with private signals. When their ideological distance to the policymaker is small, a "low-trust" regime prevails: agents frequently lobby even when it is unwarranted, taking advantage of the confirmation provided by others' activism;...