Strategic Interaction in Oligopolistic Markets - Experimenting with Real and Artificial Agents. - José Castro Caldas; Helder Coelho (MAAMAW, 1992)

Choice and Institutions in Agent Societies. - José Castro Caldas; Helder Coelho (EPIA, 1999)

The Origin of Institutions: socio-economic processes, choice, norms and conventions. - José Castro Caldas; Helder Coelho (J. Artif. Soc. Soc. Simul., 1999)

The Interplay of Power on the Horizon. - José Castro Caldas; Helder Coelho (Adv. Complex Syst., 2000)

Generalized Game Theory's Contribution to Multi-agent Modelling - Addressing Problems of Social Regulation, Social Order, and Effective Security. - Tom R. Burns; José Castro Caldas; Ewa Roszkowska (MSRAS, 2004)

Epistemological Perspectives on Simulation III: An introduction. - Nuno David; José Castro Caldas; Helder Coelho (J. Artif. Soc. Soc. Simul., 2010)