This collection of original essays has been commissioned especially for this volume in honour of the ideas and work of the late Richard M. Cyert who made a seminal contribution to the fields of industrial organization and change. In keeping with the range and significance of his work, the essays in this book examine the economics of decision making, uncertainty, information processing, learning, evolution and organizational structure.The distinguished set of contributors discusses the following topics:behavioural and evolutionary theories of the firmcognitive factors in organization and economic actionthe place of rules in organizations learning from experience and from the knowledge of othersselection in economic changethe impact of information technology and the evolution of organizational forms.This coherent and worthy collection emphasizes the adaptive nature of economic action and the links between economies and studies of human information processing and action. It will be essential reading for scholars with an interest in behavioural and adaptive economics, along with industrial organization.