Are Niche Parties Fundamentally Different from Mainstream Parties? The Causes and the Electoral Consequences of Western European Parties' Policy Shifts, 1976–1998

Do “niche” parties—such as Communist, Green, and extreme nationalist parties—adjust their policies in response to shifts in public opinion? Would such policy responsiveness enhance these parties' electoral support? We report the results of statistical analyses of the relationship between parties' policy positions, voters' policy preferences, and election outcomes in eight Western European democracies from 1976 to 1998 that suggest that the answer to both questions is no . Specifically, we find no evidence that niche parties responded to shifts in public opinion, while mainstream parties displayed consistent tendencies to respond to public opinion shifts. Furthermore, we find that in situations where niche…

• UO
  University of Cambridge