Matthias Thiemann

Portrait of Matthias Thiemann

Matthias Thiemann is Full Professor of European Public Policy at Sciences Po. In his research, he investigates the increasing use of the European field of development banking within and outside the European Union to achieve policy goals, both as a policy tool within (climate) and abroad (enlargement). His work has shown how the austerity of the […]

Thiemann, M., Mocanu, D., & Piroska, D. (2025). The rise of the European Enlargement State: blended finance, development banks and the new modalities of EU accession. Journal of European Public Policy, 1–37.

Abstract: Russia’s full-scale invasion of Ukraine reenergized the European Union’s enlargement process. The accelerated accession process is defined by the deployment of large investment programmes, which seek to mobilise public and private funds based on EU budgetary means, driving blended financial investments into candidate states’ sectors deemed to require transformation for EU membership. This study […]

Melnykovska, I., Monnet, E., & Thiemann, M. (2025, January 15). How to build a Ukrainian Development Bank: Leveraging European history and Ukraine’s own reform experience. Centre for Economic Policy Research.

Establishing a Ukrainian Development Bank is key to Ukraine’s post-war recovery, to foster both international trust and local ownership. This column describes how, drawing on lessons from the European national development banks and Ukraine’s recent reforms, a Ukrainian Development Bank could integrate existing financial structures, channel EU aid, support small and medium-sized enterprises, and drive […]