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    STUDIA PHYSICA - Issue no. 1 / 2012  
         
  Article:   EMPLOYER MOBILITY NETWORK REVEALED FROM SOCIAL SECURITY DATA.

Authors:  .
 
       
         
  Abstract:   The topology of employer networks is analyzed and reported. The networks are generated by the employee mobility and are constructed for 7 consecutive years (2001-2007) based on a social security data from Romania. The networks for each year in particular exhibit similar characteristics: scale-free degree distribution function, small average path length and high clustering coefficient. The scale-free nature of the degree distribution function validates the presence of preferential attachment between employers. The results prove that these economic networks are of Barab├ísi-Albert network type. 

Keywords: complex system, econophysics, scale-free network
 
         
     
         
         
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