Which is a screen against adverse selection
a. Insurance companies require homeowners to have smoke detectors
b. Rearview cameras in cars
c. Installing engine monitors to track driving habits of the insured
d. Prospective secretaries must take a typing test before being hired
d
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The elasticity of demand for a product is likely to be greater
A) the smaller the number of substitute products available. B) the smaller the proportion of one's income spent on the product. C) the larger the number of substitute products available. D) if the product is an imported good rather than a domestically produced good.
In a properly functioning economy, money costs approximate opportunity costs
a. True b. False Indicate whether the statement is true or false
?Which of the following rules out perfect collinearity among the regressors?
A. ??Multiple regression B. ?Simple regression C. ?Time series regression D. ?Cross-sectional regression
According to your text, one reason for flat or falling achievement scores even in the face of substantially higher education subsidies may be that
A. students are so unmotivated that no amount of spending will ever improve scores. B. most parents do not support the schools or their children's educational activities. C. the additional funds are being siphoned off by dishonest school board members. D. some of the funds are going to social services rather than to enhance learning activities.