受凯恩斯需求管理理论的影响，人们对减税促进经济增长的作用机制只重视其需求效应，而不重视其供给效应。
By the influence of Keynes requirements of the management theory, people promote the economic growth function mechanism to the tax cut only in its demand effect, but not in its supplies effect.
人们认为，用可再生的生物能源代替化石能源能够减少温室效应气体的排放，提高能源供给的安全性。
The use of renewable biofuels in lieu of fossil fuels is said to reduce greenhouse gas emissions and increase energy security (but see Carbon emissions).
但同时也存在制度非有效性的负面效应，表现为制度供给的非有效性和制度的实施机制的非有效性。
But there are also some negative effects, which are manifested in the non-efficiency of the institution supply and execution mechanism.
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