@article{paperid:1081767, author = {Hooti, Fatemeh and Ahmadi, Jafar and N. Balakrishnan}, title = {Stochastic Comparisons of General Proportional Mean Past Lifetime Frailty Model}, journal = {Sankhya A}, year = {2020}, volume = {84}, number = {2}, month = {October}, issn = {0976-836X}, pages = {844--866}, numpages = {22}, keywords = {Frailty model; PMPL model; Reversed hazard rate ordering; Likelihood ratio ordering; Stochastic ordering; Relative ordering; Totally positive of order 2; Reverse regular of order 2}, }