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我国承接的以加工贸易为代表的大规模国际产品内分工是我国劳动力的重要需求力量。本文在我国二元经济背景下,论述了城市劳动力市场相对劳动供给变化因素对我国相对收入变化的影响,并分析了承接产品内分工贸易产品不断高级化对我国劳动力相对需求结构的影响。在供给-需求的均衡框架下,本文使用1989-2010年的相关数据对(产品内分工程度引起)相对需求变化和相对劳动供给变化等因素对我国相对收入的影响进行实证分析。结论为:实证期间的我国城市部门熟练劳动力的相对供给变化提高了相对收入;我国承接的产品内分工相对提高了非熟练工人的需求,具有缩小我国相对收入差距的作用;研发投资、国内市场化改革具有扩大收入差距作用。
The large-scale intra-product division of labor represented by the processing trade in our country is an important demand force for our workforce. Under the background of dual economy in our country, this paper discusses the influence of relative labor supply changes in urban labor market on the relative income changes in China and analyzes the influence of the continuous high-level products under the division of labor and trade on the relative demand structure of labor force in China. Under the framework of supply-demand equilibrium, this paper uses the data of 1989-2010 to analyze the impact of changes in relative demand (due to degree of division of labor in products) and changes in relative labor supply on relative income in China. The conclusion is: the relative supply change of skilled labor force in urban areas of our country increased the relative income during the empirical period; the internal division of labor undertaken by our country relatively increased the demand of unskilled workers and reduced the relative income gap in our country; the research and development investment, domestic market The reform has the effect of widening the income gap.