= % change in quantity demanded / % change in price = 20 % / -12.5% = -1.6 Therefore, the price elasticity of demand for refrigerators is -1.6
Although mainstream media has long been unable to advertise and promote cigarettes due to government bans, recently there has been an increase in the promotion of e-cigarettes
Socioeconomic analyses linked higher risks to cities with lower GDP [gross domestic product], reduced education, and weaker sanitation, underscoring the importance of public infrastructure, the authors pointed out
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S8, further analysis revealed that formaldehyde exposure and estimated health risks were substantially increased in secondhand exposure scenario for medium (abundance increase by 2.2-fold, lifetime average daily dose increase by 2.5-fold) and high puff (abundance increase by 1.99-fold, lifetime average daily dose increase by 1.51-fold) group