health risks of tobacco control Snus: Smokeless Tobacco Facts and

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131, n o 4, 443.e1443.e9 (ISSN 0002-9343, DOI 10.1016/j.amjmed.2017.11.005, lire en ligne, consult le

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Calculation of Price Elasticity: Change in quantity demanded: 150200=50150 200 = -50150200=50 Change in price: 7060=1070 60 = 107060=10 Average price: (60+70)/2=65(60 + 70) / 2 = 65(60+70)/2=65 Average quantity: (200+150)/2=175(200 + 150) / 2 = 175(200+150)/2=175 Price Elasticity: (50/10)(65/175)=1.86( -50 / 10 ) * ( 65 / 175 ) = -1.86(50/10)(65/175)=1.86 This example shows that the demand for the sneakers is elastic since the elasticity is greater than 1