An organization of people with shared policy goals entering the policy process at several points to try to achieve those goals. They pursue their goals in many arenas.
A theory of government and politics emphasizing that politics is mainly a competition among groups, each one pressing for its own preferred policies.
A theory of government and politics contending that societies are divided along class lines and that an upper-class will rule, regardless of the formal niceties of governmental organization.
A theory of government and politics contending that groups are so strong that government is weakened. It is an extreme, exaggerated, or perverted form of pluralism.
A network of groups within the American political system that exercise a great deal of control over specific policy areas. Also known as iron triangles, these are composed of interest group leaders interested in a particular policy, the government agency on charge of administering that policy, and the members of congressional committees and subcommittees handling that policy.
All the people who might be interest group members because they share some common interest - Almost always larger than an actual group.
That part of the potential group consisting of members who actually join.
Something of value (money, a tax write-off, prestige, clean air, and so on, that cannot be withheld from a group member.
The problem faced by unions and other groups when people do not join because they can benefit from the groups activities without officially joining. The bigger the group, the more serious the problem.
Olson's Law of Large Groups
A principle stating that "the larger the group, the further it will fall short of providing and optimal amount of a collective good."
Groups that have a narrow interest, tend to dislike compromise, and often draw membership from people new to politics. These features distinguish them from traditional interest groups.
According to Lester Milbrath, a "communication, by someone other than a citizen acing on his own behalf, directed to a governmental decision maker with the hope of influencing his decision."
Direct group involvement in the electoral process. Groups can help fund campaigns, provide testimony, and get members to work for candidates, and some form political action committees.
Political Action Committees (PACs)
Political funding vehicles created by the 1974 campaign finance reforms. A corporation, union, or some other interest group can create one and register it with the Federal Election Commission, which will meticulously monitor its expenditures.
Amicus Curiae Briefs
Legal briefs submitted by a "friend of the court" for the purpose of raising additional points of view and presenting information not contained in the briefs of the formal parties. These briefs attempt to influence a court's decision.
Class Action Suits
Lawsuits permitting a small number of people to sue on behalf of all other people similarly situated.
A provision found in some collective bargaining agreements requiring all employees of a business to join the union within a short period, usually 30 days, and to remain members as a condition of employment.
A state law forbidding requirements that workers must join a union to hold their jobs. Such laws were specifically permitted by the Taft-Hartley Act of 1947.
Public Interest Lobbies
According to Jeffrey Berry, organizations that seek "a collective good, the achievement of which will not selectively and materially benefit the membership or activities of the organization."