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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来源
- Xie, Y. (1992). The log-multiplicative layer effect model for comparing mobility tables. American Sociological Review, 57(3), 380–395. DOI: 10.2307/2096193 ↗
- 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
如何引用本页
ScholarGate. (2026, June 22). Uniform Difference (Log-Multiplicative Layer Effect) Mobility Model. ScholarGate. https://scholargate.app/zh/sociology/unidiff-mobility-model
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