When are first order asymptotics adequate? A diagnostic

K A Anaya Izquierdo, Frank Critchley, Paul Marriott

Research output: Contribution to journalArticlepeer-review

8 Citations (SciVal)


This paper looks at boundary effects on inference in an important class of models including, notably, logistic regression. Asymptotic results are not uniform across such models. Accordingly, whatever their order, methods asymptotic in sample size will ultimately ’break down’ as the boundary is approached, in the sense that effects
such as infinite skewness, discreteness and collinearity will dominate. In this paper, a highly interpretable diagnostic tool is proposed allowing the analyst to check if the boundary is going to have an appreciable effect on standard inferential techniques.
Original languageEnglish
Pages (from-to)17-22
Number of pages6
Issue number1
Early online date21 Feb 2014
Publication statusPublished - Feb 2014


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