Party Position on Immigration by Method RuedinDidier 2013 <p>Estimated party positions of Swiss parties on immigration using different methods. Given are the positions for 1995 to 2011 of the SVP, FDP, CVP, and SPS. Methods included: pooled expert surveys, manual coding of party manifestos, check-list approach, a retrospective survey, and Wordscores.</p> <p> </p>