- Julian GARRITZMANN, Silja HAUSERMANN, Bruno PALIER, Christine ZOLLINGER. (2017). WoPSI – the World Politics of Social Investment : An International research project to explain variance in social investment agendas and social investment reforms across countries and world regions, LIEPP Working Paper n°64.
- Bruno PALIER, Silja HAUSERMANN. (2017). The Politics of Social Investment: Policy Legacies and Class Coalitions. In The Uses of Social Investment, edited by Anton HEMERIJCK. Oxford: Oxford University Press.
- The World Politics of Social Investment (vol I) Welfare States in the Knowledge Economy and (vol II) The Politics of Varying Social Investment Strategies, Oxford University Press. Forthcoming in 2021.