39,886 research outputs found

    Characterization and Explanation of the 1996-2001 Inter-CMA Migration of the Second Generation in Canada

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    Based on the primary micro data files of the 2001 Canadian census, I investigated the 1996-2001 internal migration patterns of the 2nd generation, in comparison to those of the 1st, 1.5, and 3rd+ generations. In the descriptive analysis, I found that the overall out-migration rate increased monotonically with an increase in generation status. However, with the exception of Toronto, Vancouver and Calgary, the CMA specific out-migration rate generally decreased with an increase in generation status. In terms of in-migration, Toronto, Vancouver, and Calgary were the predominant destinations for all generations. In the multivariate analysis, I found that the different generations were subject to the effects of the same set of explanatory factors -- labor market factors, ethnic similarity factor, and personal factors. Compared to the first generation immigrants, the second generation was less dependent on ethnic communities and more sensitive to the changing spatial economy of the CMA system.internal migration, second generation, immigrants, Canada

    Inter-CMA Migration of the Immigrants in Canada: 1991-1996 and 1996-2001

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    Based on the tabulations of the IMDB, I characterized, explained and compared the 1991-1996 and 1996-2001 inter-CMA migration of the immigrants in Canada. The spatial and temporal patterns were consistent with the neoclassical economic theory and the ethnic enclave theory. In making their decisions on departure and destination choices, the immigrants (both the 1991 landing cohort and 1996 cohort) were responsive to income and employment incentives, as well as the retaining and attracting powers of ethnic communities. This research also discovered an interesting temporal pattern -- while the inter-CMA migration of immigrants accentuated the over representation of the immigrants in Toronto and Vancouver in the 91-96 period, the rise of the “secondary” CMAs led to a spatial dispersal of the immigrants in the 96-01 period. This “new” finding supplements the existing literature on internal migration of Canadian immigrants, which discovered little evidence of an increased dispersion of immigrants over time.internal migration, immigrants, Canada, Census Metropolitan Area (CMA)

    Instability development of a viscous liquid drop impacting a smooth substrate

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    We study the instability development during a viscous liquid drop impacting a smooth substrate, using high speed photography. The onset time of the instability highly depends on the surrounding air pressure and the liquid viscosity: it decreases with air pressure with the power of minus two, and increases linearly with the liquid viscosity. From the real-time dynamics measurements, we construct a model which compares the destabilizing stress from air with the stabilizing stress from liquid viscosity. Under this model, our experimental results indicate that at the instability onset time, the two stresses balance each other. This model also illustrates the different mechanisms for the inviscid and viscous regimes previously observed: the inviscid regime is stabilized by the surface tension and the viscous regime is stabilized by the liquid viscosity.Comment: 4 pages, 5 figure
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