Through an empirical analysis of Guangdong province\'s labor force supply effect since reform and opening up,it is found that the horizontal effect of labor force supply in Guangdong\'s economic growth has been decreasing while the vertical effect is emerging.

This nonequilibrium is expressed by surplus of supply of labor and total effective labor.

On the base of predicting the suitable age of labor, the number of students, extra-labor, population of migration and elder labor, the writer predicts supply of labor of Shanghai in the first 10 years of the 21st century, and suggests adjusting policy of supply of labor.

Based on questionnaire, the paper, employing Logit regression empirical method, makes an empirical analysis on the current situation of labor supply elasticity in China to expound the overall state of the taxation of individual income tax and sociological incidence in China in order to offer references to the making of relevant polices.

Based on the DEA approach,we apply the C2R model to evaluate the labor supply efficiency of 21 cities in Guangdong.

The labor supply is mainly determined by three factors: population scale,age-structure of population,and labor participation ratio.

With the assumption of possible limitation existed on capital flow,in this article,we establish an optimizing inter-temporal agent model with endogenous labor supply incorporated.