Berumen, Sergio A., y Petra HEGEMANN. «A neoschumpeterian review of the impact of corruption on competitiveness and foreign direct investment». Papeles de Europa 22 (mayo 20, 2011): 39–60. Accedido julio 10, 2026. https://revistas.ucm.es/index.php/PADE/article/view/PADE1111120039A.