Abstract
This article compares three indices that represent the geographical dispersion of personal networks. The first index is built on the computation of distances for each Ego with their Alters and among each one them. After calculating the total distance, it is obtained the average for each Ego. The absolute value of the logarithm of this average is the proposed measure. The second index is constructed taking into account only the relations Ego-Alter of the above formula and the third, common in such studies, shows the distribution of active contacts in a ranking of distances (same neighbourhood, same city, Catalonia, rest of Spain, other countries). The comparison is made exploring the effect of the three indexes on the exchanged social support of people living in Catalonia. The data are taken from the survey of
Highlights
This article compares three indices that represent the geographical dispersion of personal networks
The resident population divided between "national” and "migrants" and in each of the groups social support is evaluated depending on the geographic dispersion of personal networks
We propose a discussion of the results within the framework of the theory of "transnationalism"
Summary
Resumen En este artículo se comparan tres índices que representan la dispersión geográfica de las redes personales. El primer índice se construye en base al cómputo de las distancias para cada Ego con sus Alteri y de éstos entre sí. El segundo índice se construye teniendo en cuenta solamente las relaciones Ego-Alter de la fórmula anterior y el tercero, habitual en este tipo de estudios, muestra la distribución de los contactos activos en un ranking de distancias (mismo barrio, misma ciudad, Cataluña, resto de España, extranjero). La comparación se realiza explorando el efecto de los tres índices en el apoyo social intercambiado de la población residente en Cataluña. Dividimos la población residente entre "nacionales" e "inmigrantes" y en cada uno de los grupos evaluamos el apoyo social en función de la dispersión geográfica de las redes personales.
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