Which of the following is not correct?
a. Evaluating statements about how the world should be involves values as well as facts.
b. Positive statements can, in principle, be confirmed or refuted by examining evidence.
c. Normative statements can be judged using data alone.
d. Deciding what is good or bad policy is not just a matter of science.
c
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Suppose two companies, Macrosoft and Apricot, and considering whether to develop a new product, a touch-screen t-shirt. The payoffs to each of developing a touch-screen t-shirt depend upon the actions of the other, as shown in the payoff matrix below (the payoffs are given in millions of dollars). 
Suppose Apricot makes its decision first, and then Macrosoft makes its decision after seeing Apricot's choice. What will be the equilibrium outcome of this game?
A. Both Apricot and Macrosoft will develop a touch-screen t-shirt. B. Macrosoft will develop a touch-screen t-shirt, and Apricot will not. C. Apricot will develop a touch-screen t-shirt, and Macrosoft will not. D. Neither Apricot nor Macrosoft will develop a touch-screen t-shirt.
Which of the following is the formula used for computing an accounting profit?
A) accounting profits = total revenue - implicit costs B) accounting profits = total revenue - (implicit + explicit costs) C) accounting profits = total costs - total revenue D) accounting profits = total revenue - explicit costs
The Federal Reserve is powerful because it can influence _______ through its control over _______.
A. the money supply; aggregate demand B. interest rates; aggregate supply C. aggregate demand; the money supply D. aggregate supply; interest rates
Monopolistic competition is an industry market structure with
A. a single firm in which the entry of new firms is blocked. B. a small number of firms each large enough to impact the market price of its output. C. many firms each able to differentiate their product. D. many firms each too small to impact the market price of its output.