1. Essential elements of continuous time dynamic optimization; 2. Necessary conditions for a simplified control problem; 3. Concavity and sufficiency in optimal control problems; 4. The maximum principle and economic interpretations; 5. Linear optimal control problems; 6. Necessary and sufficient conditions for a general class of control problems; 7. Necessary and sufficient conditions for isoperimetric problems; 8. Economic characterization of reciprocal isoperimetric problems; 9. The dynamic envelope theorem and economic interpretations; 10. The dynamic envelope theorem and transversality conditions; 11. Comparative dynamics via envelope methods; 12. Discounting, current values, and time consistency; 13. Local stability and phase portraits of autonomous differential equations; 14. Necessary and sufficient conditions for infinite horizon control problems; 15. The neoclassical optimal economic growth model; 16. A dynamic limit pricing model of the firm; 17. The adjustment cost model of the firm; 18. Qualitative properties of infinite horizon optimal control problems with one state variable and one control variable; 19. Dynamic programming and the Hamilton-Jacobi-Bellman equation; 20. Intertemporal duality in the adjustment cost model of the firm.