Powerful business interests will lobby for different policies when they believe that fiscal stimulus yields only inflation than when they believe that it generates higher aggregate demand. Revenue hungry governments will impose a lower tax when they think that it can be evaded than when they think that it cannot.
其次，观念决定了整治行动者关于世界如何运行的观点。如果强大的商业利益相信财政刺激只能导致通胀而不是引导更高的总需求，那么他们会游说采取不同政策。急需收入的政府认为税收容易逃漏，那么它们会选择减税。