________ in the expected future domestic exchange rate causes the demand for domestic assets to shift to the ________ and the domestic currency to appreciate, everything else held constant

Competitive markets with no external costs or benefits and no government price ceilings, floors, taxes or subsidies ________ efficient. According to the "It's not fair if the rules aren't fair" idea of fairness, competitive markets ________ fair

A) are; are B) are; are not C) are not; are D) are not; are not

Which of the following most accurately and completely describes the responsibilities the Constitution gave to the federal government?

a. The authority to provide for copyrights and patents b. The right to tax c. The authority to regulate interstate commerce d. All of the above