Health Care Costs Have Tended to Rise More Rapidly in the United

Health care costs have tended to rise more rapidly in the United States than in Canada because

A) state insurance regulators in the United States do not face the budget constraints that national regulators in Canada face.
B) people in the United States want more health care than people in Canada.
C) private insurance in the United States encourages overconsumption of health care; public insurance in Canada does not.
D) Canada has better achieved economies of scale in the production of health care.