1. The role of the demand function - 2. The demand for money in a fixed price level macroeconomic model - 3. Price flexibility in the macromodel - 4. A brief overview - 5. The classics, Keynes, and the modern quantity theory - 6. The demand for money as a means of exchange - 7. The demand for money as an asset - 8. Measuring the variables of the demand-for-money function - 9. Some econometric issues - 10. An overview of the evidence - 11. The influence of the opportunity cost of holding money - 12. Other variables and the question of stability - 13. Tentative conclusions