Is it more efficient for a group of musicians to perform a show "unplugged" (with acoustic instruments) or with state-of-the-art electric instruments?
A) Unplugged is more efficient because the instruments are considerably less expensive to operate.
B) It depends on what the musicians are trying to accomplish.
C) The use of electric instruments is more efficient because acoustic instruments have become more expensive in recent years.
D) It depends exclusively on the relative ratios of energy output to energy input in each instrument class.
B
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Using the table above, what is the elasticity of demand between the prices of $6 and $4?
A) 1 B) 3/2 C) 2/3 D) 2 E) 4
If the percentage change in the quantity of teapots demanded is greater than the percentage change in the price of teapots, then
A) the price elasticity of demand for teapots is greater than 1 in absolute value. B) the demand for teapots is unit elastic. C) the price elasticity of demand for teapots is less than 1 in absolute value. D) the price elasticity of demand for teapots is equal to zero.