Sentence:  Hereby it will become clear how "Keynesianism", a doctrine appealing to the monetary theorist J<small>OHN</small> M<small>AYNARD</small> K<small>EYNES</small>, soon converted into <WSD>"fiscalism</WSD>", a position ascribing stronger effects to fiscal than monetary policy – and, in the extreme, denying the latter all real and nominal effects. 
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).