Studying inflation in the United States from 1970 to 2006 is an example of using
A) randomized controlled experiments.
B) time series data.
C) panel data.
D) cross-sectional data.
Answer: B
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Using the bathtub analogy to understand what determines the number of unemployed workers, the stock variables are
A) the number of workers finding jobs and the number of workers separating from their jobs. B) the number of workers separating from their jobs and the number of unemployed workers. C) the number of unemployed workers and the number of workers finding jobs. D) the number of workers finding jobs, the number of workers separating from their jobs, and the number of unemployed workers.
If some gain and some lose as the result of a change, and it can be demonstrated that the value of the gains exceeds the value of the losses, then the change is said to be
A. technically efficient. B. inefficient. C. potentially efficient. D. unequivocally Pareto optimal.