Conversation so far:
What did Unger say about economics?
Unger's critique of economics begins with the identification of a key moment in economic history, when the analysis of production and exchange turned away.
what do u mean turned away?
turned away from social theory and engaged in a quest for scientific objectivity.
He believed in scientific objectivity?
engaged in a quest for scientific objectivity.
What did he do after that?
In Unger's analysis, classical economics focused on the causal relations among social activities, which were connected with the production and distribution of wealth.
what else did his analysis say?
This movement in economics disengaged economics from prescriptive and normative commitments to withdraw the study of economies from debates about how society worked.
Are there any other interesting aspects about this article?
Unger's critique of Marginalism begins with Walras' equilibrium theory.

Question: what was that theory about?
Self-contained rewrite: What was Walras' equilibrium theory about?