What Marie should primarily consider if she decides to purchase a car of not using rational decision making is the marginal benefits and costs of her decision. So if she is thinking of buying of car, she should consider how much she would spend and what would be the benefits she can get in having a car.
False, Federalism did not cause that.
Your answer should be C.
They aren't necessarily cheaper, nor does it matter about the quantity, they also don't help the land much.
