Haberman, Steven; Khalaf-Allah, Marwa; Verrall, Richard - In: Insurance: Mathematics and Economics 48 (2011) 2, pp. 197-204
This paper presents an extension of the application of the concept of entropy to annuity costs. Keyfitz (1985) introduced the concept of entropy, and analysed this in the context of continuous changes in life expectancy. He showed that a higher level of entropy indicates that the life expectancy...