sj-dta-6-eup-10.1177_14651165241226721 - Supplemental material for Between common responsibility and national interest: When do Europeans support a common European migration policy?

Supplemental material, sj-dta-6-eup-10.1177_14651165241226721 for Between common responsibility and national interest: When do Europeans support a common European migration policy? by Philipp Lutz in European Union Politics补充材料：sj-dta-6-eup-10.1177_14651165241226721，对应论文《共担责任与国家利益之间：欧洲民众何时支持欧盟共同移民政策？》，作者菲利普·卢茨（Philipp Lutz），发表于《欧盟政治》（European Union Politics）期刊。