Sentence:  Minsky's work factored in the transformation away from <WSD>fiscalism</WSD> that characterised the “long 1970s” and contributed to the development of "Post-Keynesian" economics, an intellectual program dedicated to revolutionising macro-economics in a way that was true to the spirit of Keynes eschewing the Neo-clasical synthesis inherent to the IS/LM models that formed the basis of <WSD>fiscalism</WSD>. 
Meaning of the word marked with <WSD> tags:  The belief that fiscal policy should function as the primary macroeconomic stabiliser (e.g. for controlling inflation), often associated with the (IS–LM model).