Belén Pueyo-Ibáñez, Moral Inquiry Beyond Objectivism and Subjectivism, The Journal of Speculative Philosophy, Vol. 35, No. 2 (2021), pp. 165-175 ...
The debate about concepts has always been shaped by a contrast between subjectivism, which treats them as phenomena in the mind or head of individuals, and objectivism, which insists that they exist ...