\"Econometrics is too mathematical; it' s the reason my best friend isn' t majoring in eco-nomics.\"
\"There are two things you are better off not watching in the making：sausages and economet-ric estimates.\"
\"Econometrics may be defined as the quantitative analysis of actual economic phenomena.\"
\"It's my experience that 'economy-tricks' is usually nothing more than a justification of what the author believed before the research was begun.\"
Obviously，econometrics means different things to different people.To beginning students，it may seem as if econometrics is an overly complex obstacle to an otherwise useful education.To skeptical observers，econometric results should be trusted only when the steps that produced those results are completely known.To professionals in the field，econometrics is a fascinating set of techniques that allows the measurement and analysis of economic phenomena and the prediction of future economic trends.
You're probably thinking that such diverse points of view sound like the statements of blind people trying to describe an elephant based on which part they happen to be touching，and you' re partially right.Econometrics has both a formal definition and a larger context.Although you can eas-ily memorize the formal definition，you' 11 get the complete picture only by understanding the many uses of and alternative approaches to econometrics.
于永娟，1978年生，山東濰坊人，經濟學博士，副教授。具有多年的高校教學管理和雙語教學經驗。近年來主持質量工程項目和教改課題6項，主持省部級科研課題5項，主研國家社科和省部級以上課題6項，主持橫向課題多項；在CSSCI和SSCI等核心期刊發表論文20余篇，參編省部級規劃教材8部；研究成果獲多項獎勵。
何悅，1988年7月生，重慶涪陵人，博士。畢業于四川農業大學農業經濟管理專業，現為長江師范學院財經學院講師，主要從事綠色農業、農戶生產行為等方面的研究。主持和主研國家、省部級課題10余項；在《經濟縱橫》、《財經科學》等期刊公開發表文章20余篇。
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