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作为继“三峡”之后又一项大型水利工程,南水北调已于2002年12月27日正式启动。正如专家指出的,南水北调无疑会极大地解决长江以北地区水资源紧缺的问题。但水资源短缺的根源是什么?按照供给需求理论,是供给小于需求造成的短缺,但仲伟志近日在《经济观察报》撰文认为,水资源的需求量并不必然随经济成长而增加,往往是失败的价格机制才带来了短缺问题。
As a large hydro project following the “Three Gorges”, the South-to-North Water Diversion Project was officially launched on December 27, 2002. As the experts pointed out, the South-to-North Water Diversion Project will undoubtedly solve the problem of water shortage in the area north of the Yangtze River. However, what is the root cause of the shortage of water resources? According to the theory of supply and demand, the shortage caused by supply is less than demand. However, Zhong Weizhi recently wrote in the Economic Observer that the demand for water resources does not necessarily increase with economic growth. Often the failure of the price mechanism has brought the shortage problem.