Lecture, three hours; discussion, one hour. How does social change occur? This question is linked to fundamental debates in sociology about structure (degree to which individual's actions are constrained by social forces) and agency (degree to which individuals can choose their own courses of action). Major theories (Marxist, Weberian, demographic, and strategic action) of social change take different views of structure and agency. Consideration of these theoretical issues in context of social change by considering empirical examples. P/NP or letter grading.