Mathias Reynaert is an Assistant Professor of Economics at the Toulouse School of Economics of the University of Toulouse Capitole. He is also a research affiliate at the Center for Economic Policy Research (CEPR). His fields of interest are empirical industrial organization and environmental economics.

In several papers, he analyzes the implementation of environmental regulation in the European automobile market. His work considers strategic responses of firms and compliance problems related to weak enforcement of regulation. His work studies how these compliance problems affect the economic outcomes for consumers and the environment.

He completed his Ph.D. in economics at the University of Leuven and the University of Antwerp in 2015.