Introduces quantile-based effectiveness persistence function as tail mean divided by quantile, shows equivalence to first L-moment of scaled tail, and develops nonparametric estimator with bootstrap equivalence test for biosimilar evaluation.
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stat.ME 3years
2026 3roles
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A Dirichlet-Gamma bootstrap for macro-level claims reserving satisfies the conditioning principle exactly, yielding O(I^{-1/2}) coverage deficit while remaining model-agnostic to Chain-Ladder, Bornhuetter-Ferguson or Cape Cod.
The paper derives negative binomial incremental claim counts from a Poisson-Gamma mixture, embedding the Chain-Ladder method in a full likelihood framework where the dispersion parameter represents accident-year heterogeneity.
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Quantile-Based Effectiveness Persistence Function: A Tail-Focused Metric with Theory, Estimation, and Application to Biosimilar Evaluation
Introduces quantile-based effectiveness persistence function as tail mean divided by quantile, shows equivalence to first L-moment of scaled tail, and develops nonparametric estimator with bootstrap equivalence test for biosimilar evaluation.
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A Model-Agnostic Bootstrap for Macro-Level Claims Reserving Under the Conditioning Principle
A Dirichlet-Gamma bootstrap for macro-level claims reserving satisfies the conditioning principle exactly, yielding O(I^{-1/2}) coverage deficit while remaining model-agnostic to Chain-Ladder, Bornhuetter-Ferguson or Cape Cod.
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The Negative Binomial Chain-Ladder: A Full Likelihood Model for Claim Count Reserving
The paper derives negative binomial incremental claim counts from a Poisson-Gamma mixture, embedding the Chain-Ladder method in a full likelihood framework where the dispersion parameter represents accident-year heterogeneity.