Current practice in the modelling of Age, Period and Cohort effects with panel data: a commentary

Andrew J D Bell, Kelvyn Jones

Research output: Contribution to journalArticle (Academic Journal)peer-review

10 Citations (Scopus)
275 Downloads (Pure)

Abstract

This comment assesses how age, period and cohort (APC) effects are modelled with panel data in the social sciences. It considers variations on a 2-level multilevel model which has been used to show apparent evidence for simultaneous APC effects. We show that such an interpretation is often misleading, and that the formulation and interpretation of these models requires a better understanding of age, period and cohort effects and the exact collinearity present between them. This interpretation must draw on theory to justify the claims that are made. By comparing two papers which over-interpret such a model, and another that in our view interprets it appropriately, we outline best practice for researchers aiming to use panel datasets to find APC effects, with an understanding that it is impossible for any statistical model to find and separate all three effects.
Original languageEnglish
Pages (from-to)2089-2095
JournalQuality and Quantity
Volume48
Issue number4
Early online date31 May 2013
DOIs
Publication statusPublished - Jul 2014

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    Rintoul, D. A.

    1/10/1130/09/14

    Project: Research

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