Yu has developed a straightforward method for calculating the Immigration Multiplier measuring the chain migration process. He clarifies the definition of Immigration Multiplier and breaks the concept down into Immigration Unification Multiplier (for measuring the family unification component of chain migration) and the Immigration Reproduction Multiplier (for measuring the immigrant fertility and reproduction component of chain migration). Using the 2000 Census data and national immigration data sets, Yu calculates the Immigration Multipliers for chain migration in the U.S. for all regions and some top immigrant-sending countries. The results illustrate the impact of chain migration and the different immigration patterns among racial/ethnic immigrant groups. Chain immigration exists in the U.S., and the immigration multiplier patterns vary by regions and countries from which the immigrants come.

 

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