Sibillo, Marilena; Lorenzo, Emilia Di; Tessitore, Gerarda - In: Journal of Forecasting 25 (2006) 7, pp. 529-536
In order to avoid 'frailty' in deterministic assumptions concerning survival law, in this paper stochastic volatility in the force of mortality is considered. In particular, mortality rates are studied by means of a stochastic model of CIR type. A method for estimating its parameters is...