In the last three decades, air quality in American cities has improved.
Answer the following statement true (T) or false (F)
True
You might also like to view...
If consumption increases by $400 when income increases by $500, then the marginal propensity to consume is
A) 900. B) 100. C) 1.20. D) 0.80.
The monopoly can shift the demand for its product rightward by
A) accommodating entry. B) advertising new uses for its product. C) moving along the learning curve. D) All of the above.
Omitted variable bias
A) will always be present as long as the regression R2 < 1. B) is always there but is negligible in almost all economic examples. C) exists if the omitted variable is correlated with the included regressor but is not a determinant of the dependent variable. D) exists if the omitted variable is correlated with the included regressor and is a determinant of the dependent variable.
We say that goods are complements when they:
A. serve similar-enough purposes that a consumer might purchase one in place of the other. B. are consumed together, so that purchasing one will make a consumer more likely to purchase the other. C. can replace something consumers typically purchase at a significantly lower price. D. change a consumer's preferences for a good or service.