Price Elasticity of Demand for Cigarettes

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Price Elasticity of Demand for Cigarettes (a) Studies indicate that the price elasticity of demand for

cigarettes is about 0.4. If a packet of cigarettes currently costs £2

and the government wants reduce smoking by 20 per cent, by how much

should they increase the price?

Price elasticity of demand is equal to proportionate change in

quantity demanded divided by the proportionate change in price, and so

to calculate how much the government should increase the price of

cigarettes to, the formula must be rearranged into the form,

proportionate change in quantity divided by the price elasticity of

demand, and so to calculate the new price of cigarettes we must divide

20 by 0.4, to get the percentage increase which is 50 percent.

Therefore the new price for cigarettes will be £3.

(b) If the government permanently increases the price of cigarettes,

will the policy have a larger effect on smoking one year from now or

five years from now? Explain your answer.

If the government permanently increases the price of cigarettes I

believe the policy will have a larger effect in the short-run than in

the long run. My premises is that when the government increase the

price of cigarettes a proportion of the population will find that they

are too expensive and so will have to quit smoking or reduce their

consumption, and in one year’s the strata of society who smoked when

the price was increased, would have now quit, and so would not go back

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