Keynesian three sector model consist of: / » Micro Economics 1 solved MCQs / By admin Question: Keynesian three sector model consist of: A. Business sector, service sector, external sector B. Households, business, government C. Government sector, open sector, service sector D. Government sector, private sector, open sector Answer» b. Households, business, government Note: The above multiple-choice question is for all general and Competitive Exams in India.