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Appendix A: Information on Survey Items used in Policy Liberalism Scales

Appendix B: Additional Information on Missing Data Imputation

Figure B1: Proportion of Cases Imputed, Public Opinion Liberalism

Figure B2: Proportion of Cases Imputed, Parties’ Liberalism

Figure B3: Public Opinion Liberalism Scores, Imputed versus Known Values

Figure B4: Policymakers’ Liberalism Scores, Imputed versus Known Values

Appendix C: Sensitivity Analyses: Alternatives for Dividing Income Groups

Appendix D: Sensitivity Analyses: Restricted Samples (Winners and Voters)

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