Of the following explanations for why crime fell from 1990 to 2014, which does the Brennan Center suggest had an impact in the 1990s, but not after?
A. Lower rates of incarceration
B. Shorter effective sentences
C. CompStat usage
D. The increase in the number of police
Answer: D
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In using the composite-good convention in an indifference curve diagram, economists
a. compare the prices of market baskets at different points in time. b. divide the world's production into two classes, goods and services. c. divide the world's goods into two classes, high quality goods and low quality goods. d. lump together all goods but one into a single good measured in a single unit, like dollars.
In the presence of heteroskedasticity, and assuming that the usual least squares assumptions hold, the OLS estimator is
A) efficient. B) BLUE. C) unbiased and consistent. D) unbiased but not consistent.
The difference between black market and gray market activities is:
A. while neither are included in GDP, black market items are illegal and gray market items are not. B. while neither are include in GDP, gray market items are illegal and black market items are not. C. black market items are very rare and difficult to find, and gray market items are more commonplace, like babysitting. D. black market items are typically expensive items, and gray market items are not.
Expenditures that are directly included in GDP accounts include
a. the value of housework done by householders b. the selling of illegal drugs c. playing tennis with friends on a Sunday afternoon d. casual labor in sweatshops that is unreported e. going to a Dodgers-Expos game on your day off