Life expectancy at birth for the world rose from 24 years to 26 years between 1000 and 1820, but by 2003, life expectancy had risen to
a. 36 years.
b. 44 years.
c. 52 years.
d. 64 years.
D
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New Keynesians conclude that
A) appropriate activist policies will increase the length of cyclical fluctuations. B) appropriate activist policies will have an known effect on the length of cyclical fluctuations. C) appropriate activist policies can dampen cyclical fluctuations. D) none of the above.
The more price elastic the demand curve, the more a competitive market will over-produce (relative to the efficient level) in the presence of a negative externality.
Answer the following statement true (T) or false (F)
If the price of aluminum used to make bicycles increases, the price of a bicycle rises because of a
A) rightward shift of the demand curve for bicycles. B) rightward shift of the supply curve of bicycles. C) leftward shift of the demand curve for bicycles. D) leftward shift of the supply curve of bicycles.
Comment on the following statement: "A firm's demand for labor can be affected by the availability of other inputs."
What will be an ideal response?