What affects immigrants to acquire capitals and how are they generated? In an attempt to address the question, I first develop a model of immigrant language acquisition to identify the determinants of destination language proficiency. Subsequently, I extend the modeling framework to devise a model of immigrant integration to identify the determinants of three dimensions of immigrant integration: (1) economic integration; (2) citizenship acquisition; and (3) political integration. As for the model formulation, the human and social capital approaches and models of naturalization are integrated to the economic-psychological model approach used in the model of immigrant language acquisition. The models are tested using ten-city-wide cross-sectional survey datasets.

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