Given the question: Generate a question about the topic "Economics" whose answer would be: Other broad distinctions include those between positive economics (describing "what is") and normative economics (advocating "what ought to be"); between economic theory and applied economics ; between rational and behavioral economics ; and between mainstream economics (more "orthodox" and dealing with the "rationality-individualism-equilibrium nexus") and heterodox economics (more "radical" and dealing with the "institutions-history-social structure nexus")..
The answer is:
What is an economic feature??