The thoroughly revised second edition of this authoritative Handbook, complete with new chapters, comprehensively examines the current status and future directions of model-based systems in decision support and their application to sustainable development planning.

This paper re-evaluates the telecommunication policies often applied to create regional dispersion of services in developing countries. We observe that failure to consider the complexities of the regional telecommunication systems in creating policies and investment strategies has increased the...

Developmental problems are invariably perceived as existing conditions, which must be alleviated. This often removes a policy from the factors that created the problem in the first instance. System dynamics, a learning and problem solving process combining modeling and computer simulation, on...