RUIZ, G. M.(2024). Unsolicited versus solicited public partnership proposals: is there a trade-off between innovation and competition?. Public Sector Economics. Volumen: 48. (pp. 311 - 335).
RUIZ, G. M.(2024). What Determines The Outcomes Of Public Procurement Arbitration?. International Journal of Public Administration. Volumen: 47. (pp. 464 - 478).
RUIZ, G. M. (Editor) y CIFUENTES, S. E. (Editor). (2024). Análisis de Impacto Regulatorio. Ensayos Reunidos. LIMA. Fondo Editorial PUCP.
RUIZ, G. M.(2021). La Autonomía de Facto del Regulador de las Telecomunicaciones. Revista de derecho administrativo. (pp. 118 - 141).
RUIZ, G. M.(2021). Who Wins in International Investment Arbitration Disputes? Evidence from Latin American and Caribbean Countries¿ Cases under ICSID. Institutions and Economies. Volumen: 13. (pp. 81 - 113). Recuperado de: https://ijie.um.edu.my/index.php/ijie/article/view/31282
RUIZ, G. M.; TAMAYO, G.; DIAZ, D.; GARCIA, R. L.(2020). Natural Gas Market Rigidities and the Promotion of NC-RER in Peru. WASHINGTON D. C.. Interamerican Development Bank.