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We also use experimental auction bids to estimate the price elasticity of demand for e-cigarettes, finding that a 10% increase in price results in a 5.6% reduction in quantity demanded. This suggests e-cigarette demand is less price sensitive than some earlier studies have found. While a tax on e-cigarettes can still be an effective tool for reducing e-cigarette demand, the reduction in demand may be smaller than some earlier studies would suggest. The effectiveness of tube and sonotrode reactors for the sonication of sewage sludge unde
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