Each member of the group has an incentive to free ride. The ease with which members can detect free riders. All of the above. They continued their previous practices with little change. They raised prices.
Government officials recognize the value of organized interests working for their policy goals.
The American Farm Bureau Federations, developed from advisory committees to the Department of Agriculture. The National Organization for Women, developed from organizations created by the Kennedy administration. None of the above. By mimicking other groups, showing that its cause is popular. By distinguishing itself from other groups, showing that its contribution is unique.