Question

According to studies undertaken by the US Department of Agriculture, the price elasticity of demand for...

According to studies undertaken by the US Department of Agriculture, the price elasticity of demand for cigarettes is between – 0.3 and – 0.4 and the income elasticity is about + 0.5.
Suppose Congress, influenced by studies linking cigarette smoking to cancer, plans to raise the excise tax on cigarettes so the price rises by 10%. Estimate the effect that the price increase will have on cigarette consumption and consumer spending on cigarettes (in percentage terms).

Homework Answers

Answer #1

The price elasticity of demand for cigarettes is between – 0.3 and – 0.4

The income elasticity is about + 0.5

Now due to taxes price rises by 10%.

We know that price elasticity of demand for cigarettes = % change in Q / % change in P

-0.3 = % change in Q / 10% or -0.4 = % change in Q / 10%

% change in Q = -0.3*10% = -3% or -4%

Hence quantity demanded declines by 3% to 4%

Consumer spending on cigarettes = price of cigarettes * quantity of cigarettes

% change in spending on cigarettes = % change in price of cigarettes + % change in quantity of cigarettes

= +10% + (-3%) or +10% + (-4%)

Hence Consumer spending on cigarettes rises by 6% to 7%.

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