This course introduces students to modern economic methods of modeling social interactions. Topics include game theory as a method of conceptualizing social interaction, decision theory, self-organization of economies and coordination failures, the ideal-type of competitive markets, and its limitations, labor market contracts and the role of power in the workplace, and an introduction to the theory of economic institutions. All of the mathematics required for the course are covered in the assignments, readings, and lectures. Text used is selected chapters of Samuel Bowles' Microeconomics: Behavior, Institutions and Evolution.