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| Effects of economic factors on migrant scale of rural labors—Based on the method of principal component analysis |
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| Abstract: |
| It is significant for both urban economy and rural economy when rural labors migrate to cities. In this
paper，by economic theory analysis，the authors brought forward the hypothesis，positive correlativity between the
economic variables and rural labors. These economic variables included grain yield，farm-oriented mechanical industry，
building industry，tertiary industry，value of export and import and the rate of urbanizing. With the method of principle
component analysis，it could overcome the together linear among these economics variables. It was demonstrated that
rural labor forces had some relevance to these economic variables by the regression model，it matched very well with the
real data. The research illustrated that all the industrial development，including first，secondary and tertiary industry
development，contributed to the migrant labor scale. The role played by inner industry was different. Development trade
of export and import and raising urbanization level also had push effects on migrant of rural labors. |
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