On 6 February 2026, Professor Dr. Dr. h.c. Dr. h.c. Caren Sureth-Sloane gave a lecture on “What Further Actions Can Be Taken?” Discussion of “A dynamic efficiency analysis for tax revenues in OECD countries” by Afonso, Montes, Domínguez, Empirica, and “How effective are R&D tax incentives? Reconciling the micro and macro evidence” by Appelt, Bajgar, Criscuolo, Galindo-Rueda, AEJ, EU Commission, DG ECFIN - Directorate C Workshop on Fiscal Policy in Brussels, Belgium.