Does a severe regulatory policy on trade benefit the economy? Tiago de Sousa Araújo Cassiano, Fábio Luís de Oliveira Paula and Leonardo Luiz e Castro Eur. Phys. J. B, 97 7 (2024) 101 Published online: 15 July 2024 DOI: 10.1140/epjb/s10051-024-00739-8