即便你不想成为经济理论学家或者计量经济学家，每一个经济学家都需要有一个扎实的经济学原理和计量经济学的基础。
Every economist needs to have a solid foundation in the basics of economic theory and econometrics, even if you are not going to be either a theorist or an econometrician.
利用数学和统计学明确地表达一种经济理论，然后测验这种理论，这就是经济计量学。
The use of mathematics and statistics to formulate and test economic theory is referred to as econometrics.
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