Question
If a 27% increase in income causes demand for audiobooks to increase by 9%, then audiobooks are: Group of answer choices substitutes to smartphone plans.
If a 27% increase in income causes demand for audiobooks to increase by 9%, then audiobooks are:
Group of answer choices
substitutes to smartphone plans.
inferior goods.
luxury goods.
necessary goods.
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Intermediate Microeconomics
Authors: Hal R. Varian
9th edition
978-0393123975, 393123979, 393123960, 978-0393919677, 393919676, 978-0393123968
