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Dresden 2014 – wissenschaftliches Programm

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BP: Fachverband Biologische Physik

BP 44: Stochastic Dynamics of Growth Processes in Biological and Social Systems (accompanying session, joint DY/BP/SOE)

BP 44.11: Vortrag

Freitag, 4. April 2014, 12:30–12:45, GÖR 226

Firm growth and inter-organizational flows in the Stockholm region, 1990-2003 — •Hernan Mondani1, Petter Holme2,3,1,4, and Fredrik Liljeros1,41Department of Sociology, Stockholm University, Sweden — 2Department of Energy Science, Sungkyunkwan University, Korea — 3IceLab, Department of Physics, Umeå University, Sweden — 4Institute for Futures Studies, Stockholm, Sweden

Explaining the emergence of fat-tailed growth-rate distributions in terms of the action of individual agents remains an important open question in the study of socio-economic systems. Studies of organizational growth statistics are limited by the quantity and level of detail of the available information. Large databases have little or no information about the composition of each workplace, and the time-dependent variables are often reported at the level of the organization.

In this empiric study, we use Swedish register data, a quite unique individual-level longitudinal database that provides data on organizational membership of all workers in the Stockholm region, for a period of 14 years (1990-2003). With this dataset, we can analyze how individual attributes are aggregated at the organizational level, and track individual movements on a yearly basis.

We compute statistics for organizational size and growth, and look at their time evolution in the period of analysis. We further study the distribution of individual-level properties across organizations, especially the in- and out-flow of people moving between organizations.

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