IVAȘCU, Codruț-Florin; ȘTEFONI, Sorina Emanuela. Modelling the Non-Linear Dependencies between Government Expenditures and Shadow Economy Using Data-Driven Approaches. Scientific Annals of Economics and Business, Iasi, Romania, v. 70, n. 1, p. 97–114, 2023. DOI: 10.47743/saeb-2023-0001. Disponível em: https://saeb.feaa.uaic.ro/index.php/saeb/article/view/1699. Acesso em: 11 jul. 2025.