The process by which high-level office-holder are selected is shown to result in pure office-seeking politicians looking like ideologues

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We explore the evolution of the structure and performance of a social network in a population of individuals who search for local optima in diverse and dynamic task environments. Individuals choose whether to innovate or imitate and, in the latter case, from whom to learn. The probabilities of...

A hierarchy is considered in which those agents who perform better advance to higher levels When agents are heterogeneous and endowed with simple behavioral rules Harrington (1998a) showed that agents at high levels tend to be rigid in the sense that their behavior is unresponsive to their...

Price-fixing is characterized when firms are concerned about creating suspicions that a cartel has formed. Antitrust laws have a complex effect on pricing as they interact with the conditions determining the internal stability of the cartel. Dynamics are driven by two forces - the sensitivity of...

Consistent with evidence from some psychological studies this paper shows that as there are more people who can help someone in need the lower is the probability that help is forthcoming

In a multi-unit firm such as a retail chain or a multi-plant manufacturer we compare the business strategies developed by unit managers with the strategies that maximize corporate profit The setting is one in which units face different markets and where learning spillovers between two units are...

A theory is developed which predicts that people with extreme opinions are relatively rigid in that they are less inclined to modify their opinions That extremists tend to be rigid and moderates tend to be flexible is found to hold for members of the US Congress

Consider a setting in which firms randomly discover new ideas that affect their products or services and implement only those ideas which increase current profit At the same time that firms are adapting their offerings consumers are searching among firms for the best match It is shown that...