基于洛倫茲曲線的中等收入定位與人口度量研究
本文選題:中等收入群體 + 洛倫茲曲線 ; 參考:《云南大學(xué)》2015年碩士論文
【摘要】:自黨的十八大以來,“中國夢”成為了繼“和諧社會(huì)”以來的又一個(gè)熱門話題。“中國夢”的核心目標(biāo)是實(shí)現(xiàn)“兩個(gè)百年目標(biāo)”,即全面實(shí)現(xiàn)小康社會(huì)和實(shí)現(xiàn)中華民族偉大復(fù)興。但是,不管是哪個(gè)目標(biāo),首先必須確保的是社會(huì)收入分配的公平與合理性,具體表現(xiàn)為促進(jìn)中等收入人口的比重,即“中等收入群體”。本文主要圍繞“中等收入群體”,研究了以下幾個(gè)方面: (1)中等收入群體的定義。本文主要從城鄉(xiāng)結(jié)構(gòu)、經(jīng)濟(jì)收入、職業(yè)結(jié)構(gòu)以及動(dòng)態(tài)角度綜合分析,給出了中等收入群體的定義:在特定地域與時(shí)間范圍內(nèi),收入除了能滿足溫飽狀態(tài)外,還具有穩(wěn)定的收入來源,依靠自身能力完全可以改變自己處境的,與社會(huì)發(fā)展極度協(xié)調(diào)的一個(gè)動(dòng)態(tài)性的群體。 (2)洛倫茲模型構(gòu)造以及證明。本文以洛倫茲曲線L(p)的充要條件L(0)=0、L(1)=1、L'(p)≥0.L"(p)≥0為出發(fā)點(diǎn),構(gòu)造了滿足充要條件的七個(gè)模型L1(p)、L2(p)、L3(p)、L4(p)、L5(p)、L6(p)和L7(p)。并對L1(p)、L2(p)、L3(p)三個(gè)模型加以了證明。 (3)洛倫茲模型的參數(shù)擬合以及優(yōu)劣。在引入模型擬合精度好壞的三個(gè)評判標(biāo)準(zhǔn)條件下,本文對模型進(jìn)行了收入分配分組數(shù)據(jù)下的參數(shù)擬合,得出評判標(biāo)準(zhǔn)下的最優(yōu)模型為L4(p)。 (4)中等人口度量的兩種方法以及改進(jìn)。在已知“收入空間法”與“人口空間法”定義的條件下,為了方便實(shí)證分析,本文做出具體的假設(shè)和改進(jìn)。 (5)中等收入定位與人口度量的實(shí)證分析。實(shí)證分析,本文進(jìn)行了同一地區(qū)連續(xù)兩年內(nèi)中等收入比重的橫向分析與不同地區(qū)同一年份的縱向分析。 綜合以上幾個(gè)方面的研究,在已知A、B兩地區(qū)收入分配的分組數(shù)據(jù)情況下,得出的主要結(jié)論為:“收入空間法”與“人口空間法”分析的結(jié)果基本上是一致的;這個(gè)一致體現(xiàn)在中等收入人口比重差別不大;橫向比較下中等收入人口比重都呈下降趨勢;縱向比較下結(jié)果顯示地區(qū)B的中等收入人口比重明顯高于地區(qū)A。
[Abstract]:Since the 18th Party Congress, Chinese Dream has become another hot topic after harmonious Society. The core goal of "Chinese Dream" is to realize the "two hundred years' goal", that is, to realize the well-off society and the great rejuvenation of the Chinese nation in an all-round way. However, no matter which goal it is, the first thing we must ensure is the fairness and rationality of social income distribution, which is embodied in promoting the proportion of middle income population, that is, "middle income group". This paper focuses on the "middle-income group", and studies the following aspects: Definition of middle-income group. Based on the comprehensive analysis of urban and rural structure, economic income, occupation structure and dynamic angle, this paper gives the definition of middle income group: in particular region and time range, income can satisfy the condition of food and clothing. There is also a stable source of income, relying on their own ability to completely change their own situation, extremely coordinated with social development of a dynamic group. Construction and proof of Lorentz model. In this paper, based on the necessary and sufficient condition of the Lorentz curve LJ), the seven models L _ (1) P ~ (2) ~ (L ~ (2) ~ (2) ~ (1) and L _ (7) p ~ (1) ~ (?) L _ (1) and L _ (7) are constructed, which satisfy the necessary and sufficient conditions for the seven models L _ (1) and L _ (2) ~ (1) ~ (2) ~ (1) and L _ (7). The three models of L _ (1) ~ (1) ~ (1) ~ (1) ~ (?) ~ (1) were proved. 3) the parameter fitting of Lorentz model and its merits and demerits. Under the condition of introducing three criteria of model fitting accuracy, this paper carries out the parameter fitting of the model under the income distribution grouping data, and concludes that the optimal model under the evaluation standard is L4. (4) two methods of measuring the middle population and their improvement. Under the conditions of known definitions of "income space method" and "population space method", in order to facilitate empirical analysis, this paper makes specific assumptions and improvements. (5) empirical analysis of middle income orientation and population measurement. Based on the empirical analysis, this paper makes a horizontal analysis of the proportion of middle income in the same region for two consecutive years and a longitudinal analysis of different regions in the same year. Based on the above studies, the main conclusions are as follows: the results of the analysis of "income space method" and "population space method" are basically consistent; The result of vertical comparison shows that the proportion of middle income population in area B is obviously higher than that in area A.
【學(xué)位授予單位】:云南大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2015
【分類號】:F124.7;C924.24
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