ScholarGate
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Regression modelCategorical mobility / fluidity comparison

UNIDIFF Mobility Model

The uniform difference (UNIDIFF) model, equivalently the log-multiplicative layer effect model, compares the strength of origin–destination association across several mobility tables — countries, time periods, or birth cohorts. It assumes the tables share a common pattern of association ψ_ij but allows the overall strength of that pattern to differ by a single layer-specific multiplier φ_k. A φ_k above one means stronger origin effects (less fluidity) in that layer; below one means greater fluidity.

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Kilder

  1. Xie, Y. (1992). The log-multiplicative layer effect model for comparing mobility tables. American Sociological Review, 57(3), 380–395. DOI: 10.2307/2096193
  2. Erikson, R., & Goldthorpe, J. H. (1992). The Constant Flux: A Study of Class Mobility in Industrial Societies. Clarendon Press / Oxford University Press. ISBN: 978-0-19-827383-6

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ScholarGate. (2026, June 22). Uniform Difference (Log-Multiplicative Layer Effect) Mobility Model. ScholarGate. https://scholargate.app/no/sociology/unidiff-mobility-model

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ScholarGateUNIDIFF Mobility Model (Uniform Difference (Log-Multiplicative Layer Effect) Mobility Model). Hentet 2026-06-24 fra https://scholargate.app/no/sociology/unidiff-mobility-model · Datasett: https://doi.org/10.5281/zenodo.20539026