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Recent research suggests that if Apple switched from uniform pricing of its iTunes to two-part pricing,
Necessities
Goods and services that are essential for survival, such as food, shelter, and healthcare, often characterized by inelastic demand.
Luxuries
Goods or services that are considered non-essential but are desired for their ability to provide comfort, convenience, or pleasure.
Elasticity Of Supply
A measure of how much the quantity supplied of a good responds to a change in the price of that good.
Inputs
Resources used in the production process, including labor, capital, materials, and energy.
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