Multiple systems estimation for modern slavery: robustness of list omission and combination

Serveh Sharifi Far*, Ruth King, Sheila Bird, Antony Overstall, Hannah Worthington, Nicholas Jewell

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)
3 Downloads (Pure)

Abstract

Performing censuses on stigmatized or vulnerable populations is challenging, however, for such populations partial enumeration is often possible using different lists or sources. If the sources overlap then multiple systems estimation (MSE) methods can be applied to obtain an estimate of the total population. These are typically expressed by a log-linear model which permits positive/negative dependencies between lists. This paper considers issues that arise for the application of MSE to modern slavery where there is little to no overlap of individuals across lists. We investigate the robustness of MSE in terms of the importance of each list and the impact of combining lists on the estimation process. We undertake a simulation study and consider real national modern slavery data from the UK and Romania.

Original languageEnglish
Number of pages24
JournalCrime and Delinquency
VolumeOnlineFirst
Early online date22 Aug 2020
DOIs
Publication statusE-pub ahead of print - 22 Aug 2020

Keywords

  • Combining sources
  • Estimate stability
  • Generalized linear models
  • List omission

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