The new edition of the successful textbook "Organization Theories" discusses various approaches to theory formation in organizational research, critically presents the most important organization theories, and evaluates their empirical explanatory power. It includes chapters on the theoretical foundations of organization theory, Max Weber's analysis of bureaucracy, management theories (from rules of good practice to Taylorism to the Human Relations movement), behavioral decision theory, the situational approach, institutional economic theories, evolutionary theoretical approaches, neo-institutionalism, interpretative theories, network theory, and Luhmann's systems theory. For the 8th edition, all chapters have been revised and updated.