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A stochastic approach for quantifying immigrant integration: the Spanish test case

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URI: https://hdl.handle.net/10016/34994
ISSN: 1367-2630
DOI: http://dx.doi.org/10.1088/1367-2630/16/10/103034
UXXI: AR/0000015844
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stochastic_NJOP_2014.pdf (1.79 MB)
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2014-10-24
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IOP Publishing
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Abstract
We apply stochastic process theory to the analysis of immigrant integration. Using a unique and detailed data set from Spain, we study the relationship between local immigrant density and two social and two economic immigration quantifiers for the period 1999–2010. As opposed to the classic time-series approach, by letting immigrant density play the role of ‘time’ and the quantifier the role of ‘space,’ it becomes possible to analyse the behavior of the quantifiers by means of continuous time random walks. Two classes of results are then obtained. First, we show that social integration quantifiers evolve following diffusion law, while the evolution of economic quantifiers exhibits ballistic dynamics. Second, we make predictions of best- and worst-case scenarios taking into account large local fluctuations. Our stochastic process approach to integration lends itself to interesting forecasting scenarios which, in the hands of policy makers, have the potential to improve political responses to integration problems. For instance, estimating the standard first-passage time and maximum-span walk reveals local differences in integration performance for different immigration scenarios. Thus, by recognizing the importance of local fluctuations around national means, this research constitutes an important tool to assess the impact of immigration phenomena on municipal budgets and to set up solid multi-ethnic plans at the municipal level as immigration pressures build
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Continuous time random walks, Quantitative sociology, Immigration theories, Random-walks
Bibliographic citation
Agliari, E., Barra, A., Contucci, P., Sandell, R., & Vernia, C. (2014). A stochastic approach for quantifying immigrant integration: the Spanish test case. New Journal of Physics,16 (10), p. 103034.
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