• Data Sources

^ Contribution Records

^ Candidate Characteristics

^ Roll Call Data and Measures

^ Industry Codes and Corporate Ownership

Table A1: Industries and related committees

Table A2: Correct classification rates of Senate roll call votes with one-cutpoint and two-cutpoint models

Figure 1A: Frequencies of contribution amounts (1980 to 2010)

Figure A2: DW-NOMINATE versus CFscores for Presidential Candidates

Figure A3: Candidate CFscores plotted against DW-NOMINATE scores (1980-2010). Only candidates that receive contributions from 100 or more PACs are included.

Figure A4: Candidate CFscores plotted against Turbo-ADA scores (1980-2010)

Figure 5A: Ideological Distributions of PACs by Sector

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