Urban systems are becoming increasingly complex as urban economies, social and political structures and norms, infrastructure systems and technologies evolve. Therefore, the development of operational urban simulation models is required in order to achieve an improvement of the quality of...

The paper analyses the presuppositions (often implicit) the actual quantitative and logical modelling is based on. In the context, some points of view are proposed, aimed at to eliminate or reduce the incertitude and vagueness generated by the actual way of understanding the macroeconomic modelling.

This survey analyzes two types of models: 1. Models based on assumptions of monetary and financial market equilibrium disturbance in line with mainstream thinking to believe that is self-regulating market, the units would have rational expectations, an the crisis would be a temporary phenomenon...