Randomized controlled trials cannot:
A. evaluate the impact of all programs or policies on development.
B. help explain why a particular program succeeded.
C. provide strong support that a program proven effective in one place can be duplicated in another or that its effectiveness would be maintained over time.
D. All of these statements are true.
D. All of these statements are true.
You might also like to view...
A medical researcher suggests that the new flu shot will prevent all forms of the flu, but it was never tested or proved to be true. Which of the following antitrust acts are being violated?
A. Clayton Act B. Sherman Act C. Federal Trade Commission Act D. No Antitrust law is being violated
The demand for salt is probably more inelastic at generally prevailing prices than the demand for potatoes because
A) potatoes require salt but salt does not require potatoes. B) salt has long been a favorite target for taxation. C) salt is cheap relative to most users' incomes and has few good substitutes. D) salt will keep longer than potatoes before spoiling. E) there is so much potential salt in the ocean.
If real GDP per capita measured in 2009 dollars was $6,000 in 1950 and $48,000 in 2016, we would say that in the year 2016, the average American could buy ________ times as many goods and services as the average American in 1950
A) 1/8 B) 4 C) 8 D) 12
Hotspur Incorporated, a manufacturer of microwaves, is a price taker in both the input and output markets. To maximize its profit, Hotspur will hire labor up to the point where
A) the marginal revenue product of labor equals the wage rate. B) the marginal revenue product of labor equals the output price. C) the marginal product of labor is no longer positive. D) all economies of scale have been exhausted.