In the past, there was a strong correlation between ice cream consumption by children and polio cases for children. There was not a causal relationship due to:
A. a common underlying omitted variable.
B. reverse causality.
C. accounting fraud practiced by Baskin Robbins.
D. an infection present in cherries.
A. a common underlying omitted variable.
Economics
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A good that has the characteristics of nonexclusivity and nonrivalry is a
a. public good b. merit good c. social good d. private good e. collective good
Economics
In quoting exchange rates:
A. usually one should quote the rate in such a way that the value is greater than one. B. each country's central bank determines how the rate is to be quoted. C. one should always quote these as units of foreign currency over a unit of domestic currency. D. one should always quote the rate as the units of domestic currency over a unit of foreign currency.
Economics