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The University of Southampton
Economic, Social and Political Sciences

How diverse can diversity measurement be? Theoretical considerations and some applications Seminar

Social Statistics and Demography
15 October 2015
Building 2, Room 1039 (L/T K)

For more information regarding this seminar, please telephone Centre for Population Change on 023280 592579 (Mel Morgan – Centre Administrator) or email .

Event details

A Centre for Population Change seminar

Cultural diversity is a complex and multi-faceted concept. Commonly used quantitative measures of the spatial distribution of culturally-defined groups – such as segregation, isolation or concentration indexes – have been designed to capture just one feature of this distribution. The strengths and weaknesses of such measures under varying demographic, geographic and behavioural conditions can only be comprehensively assessed empirically. This has been rarely done in the case of multigroup cultural diversity. In this presentation I provide evidence on the empirical properties of various spatial measures of cultural diversity by means of Monte Carlo replications of agent-based modelling (MC-ABM) simulations under widely varying assumptions. Schelling’s classical segregation model is used as the theoretical engine to generate patterns of spatial clustering. The data inputs include the initial population, the assumed geography, the number and shares of various cultural groups, and their preferences with respect to co-location. Our MC-ABM data generating process produces output maps that enable us to assess the sensitivity of the various spatial measures of cultural diversity to parameter assumptions by means of response surface analysis. We find that, as our simulated city becomes more diverse, stable residential location equilibria require the preference for co-location with one’s own group to be not much more than the group share of the smallest demographic minority. When equilibria exist, the values of the various spatial diversity measures are strongly dependent on the composition of the population across cultural groups, the assumed preferences and the assumed geography. Index values are generally non-decreasing in increasing preference for within-group co-location. More diverse populations yield – for given preferences and geography – a greater degree of spatial clustering. The sensitivity of spatial diversity measures to underlying conditions suggests that meaningful analysis of the impact of segregation requires spatial panel data modelling.

Speaker information

Jacques Poot , University of Waikato. research interests include all aspects of the economics of population (such as migration, fertility, labour force, and ageing) and especially the geographical dimension of these topics.

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