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Cigarette smoke contains many more potentially harmful substances, such as tar, than ambient air

Probably frozen half to death, poor mite

Someone needs a glass of water, someone else heard a weird noise, and eventually the children are asleep

The bottom line While theres still a lot to learn, research increasingly suggests that smoking may cause breast cancer

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17 Elasticity and Pricing Learning Objectives By the end of this section, you will be able to: Analyze how price elasticities impact revenue Evaluate how elasticity can cause shifts in demand and supply Predict how long-run and short-run impacts of elasticity affect equilibrium Explain how the elasticity of demand and supply determine the incidence of a tax on buyers and sellers Studying elasticities is useful for a number of reasons, pricing being most important