If a good has a perfectly inelastic short-run supply curve, an increase in demand will:
a. increase the price and quantity exchanged in the short run
b. increase the price and but leave the quantity exchanged the same in the short run.
c. increase the quantity exchanged but leave the price the same in the short run.
d. leave both price and quantity exchanged the same in the short run.
b
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Dictatorships, whether stable or unstable, always have longer time horizons than U.S. presidents
a. True b. False
Which of the following helps explain why pesticides account for much of the water pollution in the United States?
a. Pesticide regulations were repealed during the Reagan administration. b. Pesticide regulations are often administered by state environmental protection agencies, not the federal Environmental Protection Agency. c. Pesticide regulations are administered by the federal Environmental Protection Agency, not by state agencies. d. Pesticide regulations are often administered by state agricultural departments rather than environmental protection agencies. e. Pesticide regulations are often administered by state environmental protection agencies rather than agricultural departments.
The labor force includes
A. only those who are employed. B. those who are employed, plus the unemployed. C. the total population, less retirees. D. the total population, less retirees and students. E. the total population, less retirees, students, and government workers.
Refer to the information provided in Scenario 22.3 below to answer the question(s) that follow.SCENARIO 22.3: Consider a local high school that has 300 sophomores considered to be at-risk students. A privately-sponsored after-school sports program has been established to try to help at-risk students succeed in finishing high school. The local government wants to know if this program reduces the students' probability of dropping out of high school before the end of their junior year, and decides to randomly sample 150 of the 300 at-risk sophomores and invite them to attend the after-school program at no cost. 100 students accept the invitation, and by the end of their junior year, the drop-out percentage of the 100 students who attended the program was lower than the drop-out percentage of
the 200 students who did not attend the program. Refer to Scenario 22.3. To use the intention-to-treat procedure to measure the effect of the after-school program, you would need to compare A. the drop-out percentage of the 150 students who were offered the program to the drop-out percentage of the 150 students who were not offered the program. B. the drop-out percentage of the 100 students who attended the program to the drop-out percentage of the 200 students who did not attend the program. C. the drop-out percentage of the 100 students who attended the program to the drop-out percentage of the 50 students who were offered the program but chose not to attend. D. the drop-out percentage of the 50 students were offered the program but chose not to attend to the drop-out percentage of the 150 students who were not offered the program.