TY - BOOK AU - Gais,Thomas TI - Improper influence: campaign finance law, political interest groups, and the problem of equality SN - 0472085824 (pbk.) AV - KF 4920 G144i 1998 PY - 1998/// CY - Ann Arbor PB - University of Michigan Press KW - Campaign funds KW - Law and legislation KW - United States KW - Political action committees KW - Pressure groups N1 - Includes bibliographical references (p. 219-227) and index; Collective action, institutions, and bias in the PAC system -- The size and scope of the PAC system -- PAC formation among interest groups: incentives and their limits -- PAC formation among interest groups: institutional constraints -- PACs, groups, and public policies -- PACs, groups, and the political parties -- Merged data on associations and PACs: sources, procedures, and descriptions -- Coding PACs according to occupational type: data sources and coding rules -- Explanation of the interactive model of PAC affiliation ER -