The most robust (but perhaps impractical) way to estimate the price elasticity of demand for your product would be:
A. to ask past customers their willingness to pay.
B. randomize the price over a period of time and estimate the difference in sales resulting from those changes.
C. convert your products prices in real terms and estimate a demand curve.
D. announce an upcoming discount, and track sales increases pre-post.
Answer: B
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According to the table and the figure above, which enzyme is defective in the strain with the arg2 mutation?
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Succession in a community involves
A) only autotrophic species. B) only heterotrophic species. C) both autotrophic and heterotrophic species. D) only detritivorous species.
Which of the following gated ion channels are involved in inhibitory synaptic signaling?
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Which of the following is a widely supported explanation for the tendency of tropical communities to have greater species diversity than temperate or polar communities?
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