一我们国家有教养的人们、甚至连专门的经济学家都有这样一种印象,即经济学没有能够为大家所接受的、或值得为大家接受的方法和结论,经济学是由无数互相矛盾而又无法取舍的体系构成的,充其量不过是关于经济生活的一种哲学,对实践没有多大影响,简言之,经济学的现状混乱不堪,经济学陷入了永久的危机。这当然事出有因。原因之一就在于公众和我们自己都不能划清原理及其应用之间、原理和哲学的或准哲学的学说之间的界限。我们论述的主题同实际利害关 The educated people of our country, even specialized economists, have the impression that economics has not been accepted by everyone, or is worthy of acceptance by all means, and economics are countless contradictions At the most, it is a philosophy about economic life that has little effect on practice. In short, the status quo in economics is in turmoil, and economics falls into a permanent crisis. Of course, this is a cause. One of the reasons is that neither the public nor ourselves can make a clear distinction between principles and their applications, principles and philosophical or quasi-philosophical theories. The topics we dealt with are of real interest