According to the Text, Standard Economic Models, Based on Self-Interest

According to the text, standard economic models, based on self-interest where calculations appear to be made for every decision,

A) are accurate descriptions of human behavior and the motivations that drive it.
B) describe the motivations of people but fail as useful predictors of behavior.
C) provide good predictions of behavior even if they don't describe what actually happens.
D) are often criticized by other social sciences that use less formal modeling.