1. Introduction. 2. Consumption and savings functions. 3. Investment function. 4. Determination of equilibrium income: No state intervention, with state intervention 5. The function of the multiplier (investment, government expenditure and taxation). 6. The role of the state in the economy. Fiscal and monetary policy. 7. Comparison of monetarist and Keynesian schools. 8. The money market, money demand and interest rate determination. 9. The IS-LM curves. 10. Determination of income in an open economy (exchange rate, product and money market, equilibrium income). 11. Modern Economic Theories 12. Specific issues of the macroeconomic environment of Greece. 13. Iterations and exercises