Select the Best Statement About Economic Models

Select the best statement about economic models.

A) An economic model must always be correct in its predictions or it must be discarded.
B) An economic model is evaluated based on the realism of its assumptions.
C) An economic model should not generate predictions about actual events in the real world,since it discusses only abstract events.
D) An economic model will be discarded if its predictions are often in conflict with the facts.
E) Economic models are all false.