In times of financial distress, central banks provide unlimited liquidity to avoid fire sales. In response, banks raise their demand for collateral assets, and the short-term scarcity of collateral securities leads to higher prices, the Fire Buy premium. To avoid collateral scarcity, central...

We study the optimal design of student financial aid as a function of parental income. We derive optimal financial aid formulas in a general model. For a simple model version, we derive mild conditions on primitives under which poorer students receive more aid even without distributional...

Das Neun-Euro-Ticket war eines der größten Verkehrsexperimente der letzten Jahrzehnte. Was hat dieses Experiment bewirkt? Um dies zu beantworten, wurde die vierte Panel-Welle von repräsentativen Befragungsdaten ausgewertet, die im Rahmen des Projekts MOBICOR ("Mobilität in Zeiten der...

We investigate the misuse of R&D subsidies and evaluate its consequences for policy effectiveness. Developing a theoretical framework and using Chinese firm-level data for 2001-2011, we identify that 42% of grantees misappropri- ated R&D subsidies for non-R&D purposes, accounting for 53% of...

We study the problem of distributing subsidies in a market that includes both marginal individuals in need of assistance and infra-marginal individuals who would purchase the subsidized product without additional incentives. We propose the use of a wait time auction, where individuals bid the...

Drawing on a longitudinal database of Belgian firms over the years 2014-2020, this study investigates the joint effect of R&D grants and R&D tax credits on R&D inputs and innovation outputs. We estimate Conditional Difference-in-Difference (CDiD) models and apply both treatment effects...