Her research examines immigration in advanced liberal democracies, practices of democratic inclusion and the shaping of political identity through citizenship, immigrant integration, and social policy. Her book, Immigration and Membership Politics in Western Europe (Cambridge University Press, 2014) explains how the dynamic interplay between party politics and the institutional inheritance of citizenship policy contributes to new, contemporary definitions of national belonging through mandatory civic integration schemes. Other research of hers examines dual citizenship, the welfare state, and has been published in Comparative Political Studies, World Politics, West European Politics, Political Studies,and Journal of Ethnic and Migration Studies.