Question

Which of the following statements about the real-income effect and the substitution effect is true?

a. The real-income effect always exists, but the substitution effect does not always exist.

b. The real-income effect and the substitution effect always exist.

c. The real-income effect does not always exist, but the substitution effect always exists.

d. The real-income effect and the substitution effect cannot occur at the same time.

e. The real-income effect and the substitution effect occur only with an increase in price.

Answer

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