fiscalism

noun3

1. •
   The idea that taxation should form a central part of a government's economic policy.

   • Fiscalism is a necessary consequence of the historical development of the system of taxation. — 1895
2. •
   The belief that fiscal policy should function as the primary macroeconomic stabiliser (e.g. for controlling inflation), often associated with the IS–LM model.

   • With a relatively inelastic IS curve and a relatively elastic LM curve Keynesianism became synonymous with 'fiscalism' and policies to fine tune the macroeconomy. — 1997
3. •
   Excessive, oppressive taxation.