During September 23-25 RC LEF hosted a major international conference on shadow economics. The 7th edition of this conference was on Shadow Economies, Tax Behaviour and Institutions. The conference brought together internationally renowned experts and rising stars in the multidisciplinary field of study of shadow economies from countries across five continents. About 270 registered online participants attended and discussed three keynote talks delivered by Klarita Gerxhani (European University Institute), Alexis Spire (CNRS France) and Joel Slemrod (University of Michigan) and 87 presentations in parallel sessions. The recordings of the keynote talks can be viewed below: