1200 - Introductory Macro-Economics - Group 9 of tion Time left 0:31:1 13. Households, firms, the government, and the rest of the world interact with each other in three market arenas. Which ones? a. Supply, demand, and equilibrium. b. Free markets, regulated markets, and government procurement. Oc. Money, capital, and insurance markets. Od. Goods and services market, labour market, and financial market. Q Search L​