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...

By this paper we intend to analyze the existing gap in the efficiency of R&D investment, at European level. The method employed in this respect is Data Envelopment Analysis (DEA). The evaluation of the performance in R&D in European countries, in terms of technical efficiency (TE) thus...

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...

The use of the software package is today indispensable for modeling of financial decisions. Business organizations will invariably make greater demands of the software than individual users. Excel is an option along with other software applications tailored to the market, and bespoke (in-house)...