5 citations · 7 across the 4 of their papers we have counts for
4 papers
Rescheduled, not redefined: The moving plateau of old-age mortality
Silvio C. Patricio, Trifon I. Missov
Whether the risk of death keeps climbing at extreme ages or levels off has divided researchers for a century. We show this conflict reflects a moving target. Using cohort data from…
Makeham Mortality Models as Mixtures
Silvio C. Patricio, Trifon I. Missov
The Makeham term is a crucial element in mortality modeling, representing a constant additive hazard that addresses background mortality factors unrelated to aging. Widely used in…
Improvements in Age-Specific Mortality at the Oldest Ages
Trifon I. Missov, Silvio C. Patricio, Francisco Villavicencio
Age-specific mortality improvements are non-uniform, neither across ages nor across time. We propose a two-step procedure to estimate the rates of mortality improvement (RMI) in ag…
Using a Penalized Likelihood to Detect Mortality Deceleration
Silvio C. Patricio, Trifon I. Missov
In this paper, we suggest a novel method for detecting mortality deceleration. We focus on the gamma-Gompertz frailty model and suggest the subtraction of a penalty in the log-like…