The mathematical framework of psychological game theory is useful for describing many forms of motivation where preferences depend directly on own or others’ beliefs. It allows for incorporating, e.g., emotions, reciprocity, image concerns, and self-esteem in economic analysis. We explain how...

This paper argues for broadening the application of hysteresis to institutions, policy lockin, psychology, identity, and economic ideas. Hysteresis is an element of historical processes, and the real world is historical. That explains why hysteresis is pervasive and important. Hysteresis should...