Votes and policy preferences 1987-1991

Study of spatial models of political party competition with starting point the Downs model. therefor political experts were asked to scale several political parties on a...以唐斯模型（Downs模型）为基础开展政党竞争空间模型研究。为此，研究人员邀请政治专家对多个政党在某一……维度上进行量表标定。