A financial approach to the sustainability of public debt, presentada en 21st International System Dynamics Conference (July, 2003), New York (USA). Publicada en Proceedings of the 21st International Conference por The System Dynamics Society, Albany (NY). ISBN: 0967291496. Disponible en: http://www.systemdynamics.org/conf2003/proceed/PAPERS/370.pdf

Access to credit as a limit to growth for SMEs, presentada en 22nd International System Dynamics Conference (July, 2004), Oxford (UK). Publicada en Proceedings of the 22nd International Conference por The System Dynamics Society, Albany (NY). ISBN: 0974532916. Disponible en: http://www.systemdynamics.org/conf2004/SDS_2004/PAPERS/380ARENA.pdf

An adaptive expectations approach to the mechanisms of transmission model of the Central Bank of Colombia, presentada en 23rd International System Dynamics Conference (July, 2005), Boston (USA). Publicada en Proceedings of the 23rd International Conference por The System Dynamics Society (Albany, NY). ISBN: 0974532924. Disponible en: http://www.systemdynamics.org/conf2005/proceed/papers/ARENA427.pdf