Conversation so far:
What does he have to say about economics?
Unger's critique of economics begins with the identification of a key moment in economic history.
What is the key moment?
the analysis of production and exchange turned away from social theory and engaged in a quest for scientific objectivity.
Are there any other interesting aspects about this article?
In Unger's analysis, classical economics focused on the causal relations among social activities.
What else did he have to say of note about economics?
Classical economists asked questions about the true basis of value, activities that contributed to national wealth, systems of rights, or about the forms of government.
What is the most fascinating aspect of this article?
The consequences of the marginalist movement were profound for the study of economics, Unger says.
The.

Question: What did he have to say?
Self-contained rewrite: What did Roberto Mangabeira Unger have to say?