Why do we seek certainty in our lives? Why do we sometimes not want certainty? This post explains how certainty is part of affect, the evaluative common currency of the mind.

Learn how externalities impact economic equilibrium and contribute to market failure in economic transactions, affecting both ...

Are you more than others affected by the moods of other people? Do you become unpleasantly aroused when a lot is going on around you? Learn how it's linked to your mental health.

Learn how consumer goods vary in price elasticity, with factors like substitute availability and brand influence affecting demand sensitivity.