Randomized controlled trials:
A. choose people randomly to measure the impact of a particular intervention, saving the cost of evaluating all participants.
B. randomly assign people into control and treatment groups in order to focus on the impact of a particular intervention.
C. control how much of a treatment is given to each participant in order to measure the ideal quantity.
D. are not a useful tool in assessing how specific interventions may influence economic development.
B. randomly assign people into control and treatment groups in order to focus on the impact of a particular intervention.
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Assume that peanut butter and jelly are complementary goods. A decrease in the number of peanut butter suppliers will cause the
a. demand for peanut butter to increase b. supply of peanut butter to increase c. demand for jelly to increase d. demand for jelly to decrease e. supply of jelly to decrease
Marginal revenue product is measured by
a. MR × price of the good b. MR × MC c. TR / MPP d. MPP × price of the good e. TC / MPP
When considering foreign-income repercussions, the spending multiplier is
A. larger because an increase in domestic imports causes a surplus in the official settlements balance. B. smaller because an increase in domestic imports causes a current account deficit. C. smaller because an increase in domestic imports lowers the growth in domestic exports. D. larger because an increase in domestic imports causes foreign income to rise and thus boosts domestic exports.
A major problem with using the egalitarian principle to distribute income is that
A) it would eliminate the incentives that rewards provide in an economic system. B) it is difficult to know when an equal distribution of income has been achieved. C) it would not be fair to the wealthy. D) there exist no mechanisms to carry out such a scheme.