Of the Following, Which Is the Most Important Characteristic of a Successful

Multiple Choice

Of the following, which is the most important characteristic of a successful theory?

A) the theory could never be refuted.
B) the theory allows us to predict behaviour reasonably accurately.
C) all assumptions on which the theory is based are true.
D) the theory adequately explains all economic behaviour.
E) the theory provides a basis for facts about economic behaviour.