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本文首先尝试构建一个二阶益贫式增长的绝对与相对同步测定函数;所谓二阶益贫式增长,是指相较整个穷人群体、更关注“穷人中的穷人”的增长,而同步测定通过将绝对益贫与相对益贫相结合,恰好能够弥补二者各自的缺陷。其次,本文对该函数所具备的优良属性进行证明。最后,运用所构建的函数对中国及其各省市的益贫式增长进行测定,并将测定结果与相对益贫式增长的结果进行比较。研究发现,中国及各省市的农村与城镇地区在大部分年份均未实现二阶同步益贫,且实现同步益贫的会被测定为实现相对益贫,反之则不成立;与相对测定函数相比,同步测定函数不仅更加严格,也更能反映益贫情况的波动。
First of all, this paper attempts to construct a second-order absolute and relative simultaneous deterministic function of pro-poor growth. The second-order pro-poor growth refers to the growth of “the poor among the poor” rather than the entire poor population, The measurement, by combining absolute poverty alleviation with relative poverty alleviation, can make up for their respective shortcomings. Secondly, this paper proves the good properties of this function. Finally, we use the constructed function to measure the poverty-stricken growth in China and other provinces and cities, and compare the results with the results of relative poverty-benefit growth. The study found that in both rural and urban areas of China and other provinces and municipalities, the second-order synchronization of poverty alleviation has not been achieved in most years, and the achievement of simultaneous poverty alleviation will be determined to achieve relative poverty alleviation or vice versa. Compared with the relative measurement function , The simultaneous determination function is not only more stringent, but also better reflect the volatility of poverty alleviation.