西汉的贾谊提出“国而忘家，公而忘私”,清代林则徐提出“苟利国家生死以，岂因祸福避趋之”,这些都体现了中华民族传统美德中( )。
A. 爱国奉献,以天下为己任的内容
B. 乐群贵和,强调人际和谐的内容
C. 勤劳勇敢,追求自由解放的内容
D. 求真务实,敬重诚实守信的内容
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A10percentincreaseingasolinepricesreducesgasolineconsumptionbyabout
A. 6 percent after one year and 2.5 percent after five years.
B. 2.5 percent after one year and 6 percent after five years.
C. 10 percent after one year and 20 percent after five years.
D. 0 percent after one year and 1 percent after five years.
Thegreaterthepriceelasticityofdemand,the
A. more likely the product is a necessity.
B. smaller the responsiveness of quantity demanded to a change in price.
C. greater the percentage change in price over the percentage change in quantity demanded.
D. greater the responsiveness of quantity demanded to a change in price.
Supposethatgasolinepricesincreasedramaticallythismonth.Lolacommutes100milestoworkeachweekday.Overthenextfewmonths,Loladriveslessontheweekendstotrytosavemoney.Withintheyear,shesellsherhomeandpurchasesoneonly10milesfromherplaceofemployment.Theseexamplesillustratetheimportanceof
A. the availability of substitutes in determining the price elasticity of demand.
B. a necessity versus a luxury in determining the price elasticity of demand.
C. the definition of a market in determining the price elasticity of demand.
D. the time horizon in determining the price elasticity of demand.
Ifthepriceelasticityofdemandforagoodis4.0,thena10percentincreaseinpriceresultsina
A. 0.4 percent decrease in the quantity demanded.
B. 2.5 percent decrease in the quantity demanded.
C. 4 percent decrease in the quantity demanded.
D. 40 percent decrease in the quantity demanded.
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