This document discusses organizations and organizational effectiveness. It defines key terms like organizational theory, structure, culture, design and change. Organizations exist to create value by coordinating people and resources. They do this through specialization, large-scale technology, managing the external environment, exerting power/control, and reducing transaction costs. Effective organizational design and change are important for dealing with contingencies, managing diversity, gaining competitive advantages, and promoting efficiency. Organizational effectiveness can be measured through controlling external resources, innovating internal systems, and improving efficiency. Managers also use goals to evaluate effectiveness.