When is it better to use agent-based (AB) models, and when should differential equation (DE) models be used? Whereas DE models assume homogeneity and perfect mixing within compartments, AB models can capture heterogeneity across individuals and in the network of interactions among them. AB...

Despite the demonstrated benefits of improvement programs such as total quality management and reengineering, most improvement programs end in failure. Companies have found it extremely difficult to sustain even initially successful process improvement programs. Even more puzzling, successful...