- Voluntary equity, project risk, and capital requirements (with Christoph Luelfesmann). CESifo Working Paper No. 9505. January 2022.
- "Attracting profit shifting or fostering innovation? On patent boxes and R&D subsidies" (with Dirk Schindler). CESifo Working Paper No. 8640. October 2020.
- "Incentives, globalization, and redistribution" (with Carlo Perroni). CESifo Working Paper No. 8450. July 2020.