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...

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...

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