Which of the following is an example of using the scientific method with a natural experiment?
a. measuring how long it takes a marble to fall from a ten story building
b. comparing plant growth with and without a soil additive
c. tracking the price of oil when a war in the Middle East interrupts the flow of crude oil
d. observing the reaction when two chemicals are mixed together
c
Economics
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Using the data in the above table, gross domestic product as calculated by the income approach equals ________
A) $2,333 B) $2,592 C) $2,925 D) $2,205
Economics
In a classic paper, Columbia University economist Phillip Cagan drew the line between inflation and hyperinflation at an inflation rate of
A) 50 percent per month. B) 10 percent per month. C) 20 percent per month. D) 5 percent per month. E) 25 percent per month.
Economics