Alexander Ludwig has been Professor for Public Finance and Debt Management at Goethe University, Frankfurt since 2014. Since 2020, he has been a part-time visiting professor at Universitat Autònoma de Barcelona (UAB).

Ludwig is the spokesperson of DFG research unit on Macroeconomic Implications of Intra-Household Decision Making and principal investigator in EU Horizon 2022 project SUSTAINWELL – Sustainable Welfare: Rethinking the roles of Family, Market and State. He is a co-founder and member of the Frankfurt Quantitative Macro Group (FQMG) and Research Fellow at the Centre for Economic Policy Research (CEPR).  He is also director of ICIR and affiliated with the following institutions: SAFE, Goethe University Frankfurt; CMR, University of Cologne; MEA, Munich; Netspar and ZEW, University of Mannheim. 

Ludwig earned a Doctoral degree in Economics from University of Mannheim in 2005.