If there is excess demand in a market, then this suggests that:
A. there is no way to help some people without harming others.
B. the market is in equilibrium.
C. the market price is above the equilibrium price.
D. there is an opportunity for mutually beneficial trades.
Answer: D
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"Suppose the market for aluminum is perfectly competitive and unregulated. If aluminum factories emit pollution, the marginal social cost of aluminum is less than the market price". True or false? Explain
What will be an ideal response?
Weighted least squares estimation is used only when _____.
A. the dependent variable in a regression model is binary B. the independent variables in a regression model are correlated C. the error term in a regression model has a constant variance D. the functional form of the error variances is known
If an investment offered an expected payoff of $100 with $0 variance, you would know that:
A. half of the time the payoff is $200 and the other half it is $0. B. half of the time the payoff is $100 and the other half it is $0. C. the payoff is always $100. D. half of the time the payoff is $200 and the other half it is $50.
Suppose at a particular level of real gross domestic product (GDP), there are no unintended inventory adjustments. In this context, which of the following is true?
What will be an ideal response?