Social Network Dynamics in the Context of Age: An Empirical Investigation

Abstract

Abstract This paper explores patterns and motivations for social tie formation and dissolution in the context of age. It provides empirical tests of the social convoy model, socioemotional selectivity theory, and the differential investment of resources (DIRe) model. Data comes from a survey administered face-to-face to a large, representative sample of the population of Poland (n = 1000). Controlling for between-tie and between-ego differences, it is found that the intensity of forming and dropping new ties is a decreasing function of age, but the relationship becomes weaker among people aged 40 and older. The number of social ties people maintain (degree) is also a decreasing function of age. However, the number of social ties with family, as opposed to coworkers and other acquaintances, is roughly constant across age groups. Young women, but not men, tend to form fewer ties if they are married. Both expressive and instrumental motivations for social tie formation are relatively most active in middle adulthood. The data also reveal a “rich get richer” effect: people with relatively high degree and a more central position in a social network tend to form more new ties and enlarge their social network over time.

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