Introduction : what is economics? -- The key principles of economics -- Exchange and markets -- Demand, supply and market equilibrium -- Measuring a nation¿s production and income -- Unemployment and inflation -- The economy at full employment -- Why do economies grow? -- Aggregate demand and aggregate supply -- Fiscal policy -- The income-expenditure model -- Investment and financial markets -- Money and the banking system -- The federal reserve and monetary policy -- Modern macroeconomics: from the short run to the long run -- The dynamics of inflation and unemployment -- Macroeconomic policy debates -- International trade and public policy -- The world of international finance -- Elasticity : a measure of responsiveness -- Market efficiency and government intervention -- Consumer choice : utility theory and insights from neuroscience -- Production technology and cost -- Perfect competition -- Monopoly and price discrimination -- Market entry and monopolistic competition -- Oligopoly and strategic behavior -- Controlling market power : antitrust and regulation -- Imperfect information: adverse selection and moral hazard -- Public goods and public choice -- External costs and environmental policy -- The labor market and the distribution of income.