ECONOMICS
DEMAND
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Studies showing using mobile phones can cause brain cancer
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A decrease in the price of mobile phones
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A decrease in the quantity demanded of mobile phones
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An increase in the services provided by mobile phones, such as text messaging
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Detailed explanation-1: -Answer a that shows cell phones use will cause brain cancer will lead consumers to shift their preferences away from cell phones. This change in preferences will reduce the demand and shift the demand curve to the left.
Detailed explanation-2: -Many different kinds of studies have been carried out to try to investigate whether cell phone use is dangerous to human health. However, the evidence to date suggests that cell phone use does not cause brain or other kinds of cancer in humans.
Detailed explanation-3: -Explanation: A reduction in production costs will cause a rightward shift of the supply curve. Successful advertising campaigns will cause the demand for cell phones to shift to the right.
Detailed explanation-4: -The quantity demanded (qD) is a function of five factors-price, buyer income, the price of related goods, consumer tastes, and any consumer expectations of future supply and price.
Detailed explanation-5: -Increases in demand are shown by a shift to the right in the demand curve. This could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.