Thematic issue: The legacy of Corrado Gini in population studies

Residential segregation of foreigners: an analysis of the Italian city of Palermo

Annalisa Busetta, Angelo Mazza, Manuela Stranges



Ethnic residential segregation in Italy is an emerging key question, which will be crucial in the definition and implementation of both urbanistic and social policies. This paper focuses on this phenomenon in the Italian city of Palermo. We use individual data for all the population residing in the city at 31 December 2011, organized by ethnicity and district. Firstly, we describe the spatial distribution and the residential segregation of foreigners in the city, applying many different segregation measures. Among the others, we also apply the Duncan and Duncan dissimilarity index. Finally, we apply a recent methodological approach, which allows reducing the bias of the Duncan’s index and performs better than previous bias reduction techniques, in terms of both mean bias and mean square error.

Annalisa Busetta, Researcher, Department of Economics, Business and Statistics, University of Palermo, Italy. E-mail:

Angelo Mazza, Assistant Professor, Department of Economics and Business, University of Catania, Italy. E-mail:

Manuela STRANGES, Researcher, Department of Economics, Statistics and Finance, University of Calabria, Italy. E-mail:


residential segregation; segregation indices; location quotients; Duncan’s dissimilarity index; bias correction

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ISSN: 2035-5556

Reg. Tribunale di Roma n. 3321/54