Stiller, S.

reform pension interview analysis process policy dimension leadership change argument provision reform process minister strategy category document system proposal point opponent pilot study riester reform opponents reformist pension provision group concept interest question resistance party speech principle pilot case study acceptance welfare problem interviewee union communication opposition state section level trade instance concession factor source german trade unions interview schedule interest groups policy principles interview data pension tier method material effect order contribution actor information topic politic account scheme context behaviour research operationalization democrat indicator alternative discussion evidence politician walter reading