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.

Question: What did he do after that?
Self-contained rewrite: What did Roberto Mangabeira Unger do after engaging in a quest for scientific objectivity.