Improved inference on capture recapture models with behavioural effects

Danilo Fegatelli () and Luca Tardella ()

Statistical Methods & Applications, 2013, vol. 22, issue 1, 45-66

Abstract: In the context of capture-recapture modeling for estimating the unknown size of a finite population it is often required a flexible framework for dealing with a behavioural response to trapping. Many alternative settings have been proposed in the literature to account for the variation of capture probability at each occasion depending on the previous capture history. Inference is typically carried out relying on the so-called conditional likelihood approach. We highlight that such approach may, with positive probability, lead to inferential pathologies such as unbounded estimates for the finite size of the population. The occurrence of such likelihood failures is characterized within a very general class of behavioural effect models. It is also pointed out that a fully Bayesian analysis overcomes the likelihood failure phenomenon. The overall improved performance of alternative Bayesian estimators is investigated under different non-informative prior distributions verifying their comparative merits with both simulated and real data. Copyright Springer-Verlag Berlin Heidelberg 2013

Keywords: Capture history; Capture–recapture; Conditional likelihood; Behavioural effect; Likelihood failure; Bayesian inference (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s10260-012-0221-4

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