Respuesta :
The price of cell phone cases has decreased, yet production and sales have remained constant. This is because the change in demand.
A change in demand refers to a shift in consumer preference to buy a specific good or service, regardless of a change in the price. A change in consumer preferences, a change in the price being charged for a comparable product, or a change in income levels could all be the cause of the change.
When consumer preferences change for products and services while prices stay the same, there is a change in demand. Consumers could theoretically buy more of everything in an expanding economy with rising incomes. In the short term at least, prices won't change while sales volume rises.
When economic growth slows, people often lose their jobs, see their incomes drop, and become anxious. As a result, they tend to limit their spending to only the necessities.
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