Heterogeneous population
A) implies that heteroskedasticity-robust standard errors must be used.
B) suggest that multiple characteristics must be used to describe the population.
C) effects can be captured through interaction terms.
D) refers to circumstances in which there is unobserved variation in the causal effect with the population.
Answer: D) refers to circumstances in which there is unobserved variation in the causal effect with the population.
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Which of the following statements is true?
A) If the opportunity cost of current consumption is high, people will save less. B) If the opportunity cost of current consumption is high, the inflation rate will increase. C) If the opportunity cost of current consumption is high, the unemployment rate will decrease. D) If the opportunity cost of current consumption is high, people will save more.
Of the following OECD countries, which has the highest per-capita spending on health care?
A) the United Kingdom B) Japan C) Canada D) the United States
If average cost is positive
A) marginal cost equals average cost. B) marginal cost exceeds average cost. C) marginal cost is less average cost. D) Not enough information is given.
By discriminating between the consumers, the monopolist actually takes away a portion of the consumer surplus
a. True b. False Indicate whether the statement is true or false