1. Read this paper later: procrastination with time-consistent preferences
2. Mas-Colell, A., Whinston, M. D., and Green, J. R. (1995), Microeconomic Theory (Oxford: Oxford University Press)
3. A Variational Study of Optimal Resource Profiles
4. Patent Life and RandD Rivalry;Kamien;American Economic Review,1974b
5. Self-Financing of an RandD Project;Kamien;American Economic Review,1978