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The accuracy of migration distance measures

In English

Författare

  • Thomas Niedomysl
  • Ulf Ernstsson
  • Urban Fransson

Summary, in English

The spatial dimension in the definition of internal migration usually refers to the distance someone has tomove to be regarded as a migrant. Lack of precise data on migration distances, however, has obliged migration researchers to use aggregate distance measures whose accuracy is largely unknown, raising potentially serious validity concerns for research. The aim of this paper is to examine the accuracy of standard aggregate measures of migration distance and to seek practicalmeans for improving their validity. Employing uniquely detailed data where individual migration distances for an entire country’s population have been measured with considerable accuracy, the paper compares variants of aggregate distance measures with the actual distance travelled by individual migrants. For the first time, the results shed empirical light on some of the weaknesses of aggregate migration distance measures and, more importantly, also point to their usefulness. The findings show that there is a significant potential to improve the accuracy of migration distance measures; practical suggestions for overcoming the difficulties of using aggregate distance measures are provided.

Publiceringsår

2017

Språk

Engelska

Publikation/Tidskrift/Serie

Population Space and Place

Volym

23

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

John Wiley & Sons Inc.

Ämne

  • Human Geography

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1544-8452