What We (Don't) Know So Far about Tolerance towards Corruption in European Democracies: Measurement Approaches, Determinants, and Types
Gustavo Gouvea Maciel
Social Indicators Research, vol. 157, 2021, p. 1131-1153.

Legal Corruption and Dissatisfaction with Democracy in the European Union
Gustavo Gouvea Maciel, Luis de Sousa
Social Indicators Research, vol. 140, 2018, p. 653-674.