Introduction. -- Supply and demand I: How markets work. -- Supply and demand II: Markets and welfare. -- The economics of the public sector. -- Firm behavior and the organization of industry. -- The economics of labor markets. -- Advanced topic. -- The data of macroeconomics. -- The real economy in the long run. -- Money and prices in the long run. -- The macroeconomics of open economies. -- Short-run economic fluctuations. -- Final thoughts.