2 papers
stat.AP2023
Bayesian non-parametric specification of bathtub shaped hazard rate functions
Richard Arnold, Stefanka Chukova, Yu Hayakawa
Hazard rate functions of natural and manufactured systems often show a bathtub shaped failure rate. A high early rate of failures is followed by an extended period of useful workin…
q-fin.GN2018
Warranty Cost Analysis with an Alternating Geometric Process
Richard Arnold, Stefanka Chukova, Yu Hayakawa +1
In this study we model the warranty claims process and evaluate the warranty servicing costs under non-renewing and renewing free repair warranties. We assume that the repair time…