Wages and Wage Inequality in South Africa 1994–2011: Part 1 – Wage Measurement and Trends

We analyse the long‐term trends in wage inequality in South Africa, using household survey data. We show that the trends in household income inequality are largely driven by changes in wage inequality. Given the detailed nature of our series we show that measurement issues and breaks in the series need to be dealt with in order to draw robust conclusions from the data. Most standard inequality measures show that wage inequality has increased over the period. Nevertheless the choice of measure matters, because there are different trends in different parts of the distribution. It appears that the distribution below the median has become more compressed, while the top of the wage distribution has moved away from the median. The inequality in the labour market translates into even higher inequality in society given that high earners tend to live together with other high earners while low wage individuals often end up sharing their incomes with the unemployed. Furthermore there are many South Africans with access to no wage income. Given the trends analysed here it is not surprising that overall inequality in South Africa has not come down or has even increased since the end of apartheid.     

Interregional Inequalities in Indonesia: A Sectoral Decomposition Analysis for 1975–92

In this paper we examine interregional income inequalities in Indonesia from 1975 to 1992, Williamson's weighted coefficient of variation is used to measure interregional income inequality. We also perform a sectoral decomposition analysis to investigate the extent to which industrial sectors contribute to the overall weighted coefficient of variation. One major finding is that, although interregional income inequality remained fairly stable in non-mining GDP during the study period, it has undergone a significant change in structure. The contribution of the tertiary sector to inequality, though still dominant, has gradually declined. The secondary sector, meanwhile, is playing an increasingly important role, reflecting its growing share of GDP. Inequality is much smaller in consumption expenditure than in non-mining GDP. Its consistently high levels in fixed capital formation reflect the uneven distribution of investments over space in Indonesia.     

Structural Changes and Regional Income Inequality in Indonesia: A Bidimensional Decomposition Analysis*

Using the bidimensional decomposition method of a population‐weighted coefficient of variation, this paper analyzes the changes in the determinants of interprovincial income inequality associated with structural changes in Indonesia from 1983 to 2004. The method unifies two inequality decompositions by regional groups and gross regional product components (industrial sectors) and, therefore, enables us to assess the contributions of gross regional product components to within‐region and between‐region inequalities, as well as to overall inequality. As the share of mining has decreased, the spatial distribution of manufacturing has played a more important role in the inequality of Sumatra and Kalimantan, while the primacy of Jakarta, with strong urbanization economies, facilitated by globalization and trade and financial liberalization, has determined much of the Java–Bali region's inequality and, therefore, overall inequality in Indonesia.     

Wages and Wage Inequality in South Africa 1994–2011: Part 2 – Inequality Measurement and Trends

We analyse the long‐term trends in wage inequality in South Africa, using household survey data. We show that the trends in household income inequality are largely driven by changes in wage inequality. Given the detailed nature of our series we show that measurement issues and breaks in the series need to be dealt with in order to draw robust conclusions from the data. Most standard inequality measures show that wage inequality has increased over the period. Nevertheless the choice of measure matters, because there are different trends in different parts of the distribution. It appears that the distribution below the median has become more compressed, while the top of the wage distribution has moved away from the median. The inequality in the labour market translates into even higher inequality in society given that high earners tend to live together with other high earners while low wage individuals often end up sharing their incomes with the unemployed. Furthermore there are many South Africans with access to no wage income. Given the trends analysed here it is not surprising that overall inequality in South Africa has not come down or has even increased since the end of apartheid.     

Re-estimating gender differences in income in South Africa: The implications of equivalence scales

Most studies of poverty and inequality in South Africa measure individual welfare by deflating total household resources, such as income, by household size. This per-capita method makes no adjustments for the different consumption needs of children or for household economies of scale. However, in addition to being more likely to live in households where average per-capita household income is lower compared with men, we show that women in South Africa also live in significantly larger households which include more children. These gendered differences in household composition are driven to a large degree by low rates of co-residency between men and women. We therefore investigate how adjusting household resources for the presence of children and economies of scale affects measures of the gender gap in income.     

Village Elections,Accountability and Income Distribution in Rural China

1. Introduction The village election was first envisioned by the late chairman of the National People’sCongress (NPC), Mr Peng Zhen, in the mid-1980s to enhance village governance after the commune system was dissolved in China in the early 1980s. In 1987, the NPC passed a tentative version of The Organic Law of the Village Committee (OLVC), and started a 10 year experiment of village elections. In 1998, the NPC formally passed the law and elections quickly spread to the whole count…     

Roles of Income Polarization,Income Inequality and Ethnic Fractionalization in Social Conflicts: An Empirical Study of Indonesian Provinces, 2002–2012

Previous studies have cited inequality as a major factor relating to conflicts in Indonesia, while consideration of polarization and fractionalization as drivers of conflict is limited. The current paper examined the roles of three indices (polarization, inequality and fractionalization) in explaining the incidence of conflicts in Indonesian provinces over 2002–2012. This study used income (proxied by expenditure) differences to measure polarization and inequality, with subnational data as the unit of analysis. In addition, to complete the analysis, the present study used a variety of socioeconomic indicators as additional control variables. This paper verified that the high degrees of income polarization, ethnic fractionalization and income inequality are associated with the high probability of conflicts in Indonesian provinces. It also found that socioeconomic factors such as poverty, unemployment, population and natural resources, as well as some types of local government spending are significantly associated with conflicts.     

农村居民收入差距及其演变的思考——基于浙江农村固定观察点调查数据的分析

基于浙江农村固定观察点1993—2007年的调查数据,运用五等分和基尼系数及相关指数对农村居民的收入差距及其演变趋势进行考察,并对考察结果进行分析。结果发现,浙江农村居民的收入差距不仅始终较大,已经处于差距偏大行列,而且近年在高位波动中呈现攀升态势,导致“两极”分化较为严重;浙江农村居民的收入差距主要源于农村工业化进程中非农就业机会和非农收入分配的不平等,是市场机制对人力资本的正常回报。因此,其最优的解决措施应是在保持经济效率的基础上,为各个阶层提供更加公平的发展机会和分享社会成果的机会。     

China＇s New Rural Income Support Policy： Impacts on Grain Production and Rural Income Inequality

I. Introduction Since the beginning of 2004, the Chinese Government has replaced its centuries-old policy of taxing agriculture by a new policy aimed at subsidizing agriculture and stimulating rural incomes. To this end, agricultural taxes – standing at around 8 percent of agricultural incomes – were drastically reduced. By now they are abolished in most provinces. Inaddition, farmers growing grain receive a direct income subsidy, new seed varieties and mechanization are subsidized, and la…     

Comparing alternative measures of household income: Evidence from the Khayelitsha/Mitchell's plain survey

Household income is widely used for economic and sociological analysis, yet little emphasis has been placed on the optimal way to gather household income data. The Khayelitsha/Mitchell's Plain Survey provides a unique opportunity to explore alternative ways of measuring household income. This study compares the estimates obtained from a household module with those obtained from detailed income data collected in the adult module of the survey. Estimates derived from individual income data tend to be higher and have greater variation than those obtained from the household module. This difference between income estimates has a material impact on the secondary analysis of income data. The Gini coefficient, a simple measure of income-inequality, is used in this study to illustrate how household income measured at the household level underestimates household income inequality.     

Inequality,poverty and prospects for redistribution

This paper demonstrates that poverty and inequality trends can diverge. It then discusses inequality trends and shows that, despite measurement issues, there is consensus that inequality is very high and has been rising over much of the post-transition period. Due to rising inequality within all groups, and particularly the black population, and lower inequality between race groups, within-group inequality has become the dominant form of inequality. That does not, however, detract from the fact that inequality between groups is still very large. High income inequality largely stems from inequality in access to wage income, due more to wage inequality than to unemployment. A Gini coefficient for wage income amongst the employed of above 0.60 effectively sets a floor to overall income inequality. The high wage premium to educated workers derives from a combination of a skills shortage at the top end of the educational spectrum, driving up their wages, and a surfeit of poorly-educated workers competing for scarce unskilled jobs dampening unskilled wages; if the unemployed were to find jobs, it would be in this bottom part of the wage distribution, and consequently this would not much reduce wage inequality. A continuation of the historical pattern whereby only a small segment of the population obtained good schooling would leave the structures underlying the large wage premium unaltered. The time frame for substantial inequality reduction is thus necessarily a long one, while poverty reduction efforts should not wait for this to occur.     

优化分配结构构建和谐新疆

改革开放以来,随着新疆社会主义市场经济的发展和经济体制改革的日益深化尤其是西部大开发的确立,新疆的国民经济保持了持续、快速、健康的发展。在GDP总量稳步提高、人民生活水平显著改善的同时,收入差距不断扩大、贫富两极分化问题日益凸现,制约和影响了新疆经济的发展。为此本文试图通过对新疆2002-2006这五年的收入进行经济分析,探析造成新疆收入分配差距的深层原因,并提出提高劳动报酬在国民经济中的比重,缩小收入差距,构建和谐新疆的建议。     

INCOME INEQUALITY IN THE PHILIPPINES, 1961–91

Household income inequality in the Philippines remains high and the trends for three decades have been fairly stable except for a sharp decline in the mid-1980s. Gini coefficient of income inequality has been consistently close to 0.50. Urbanization and education of household head are the most important factors determining the level of income inequality while the contribution of age of head is limited. The increase in the number of urban households results in an increase of overall inequality while the increase in the number of household heads with a college education tends to decrease the inequality. Among the household income sources, wage income is the largest contributor to total income inequality. Wage rate inequality appears to be a major source of wage income inequality.     

Describing and decomposing post-apartheid income inequality in South Africa

This paper describes the changes in inequality in South Africa over the post-apartheid period, using income data from 1993 and 2008. Having shown that the data are comparable over time, it then profiles aggregate changes in income inequality, showing that inequality has increased over the post-apartheid period because an increased share of income has gone to the top decile. Social grants have become much more important as sources of income in the lower deciles. However, income source decomposition shows that the labour market has been and remains the main driver of aggregate inequality. Inequality within each racial group has increased and both standard and new methodologies show that the contribution of between-race inequality has decreased. Both aggregate and within-group inequality are responding to rising unemployment and rising earnings inequality. Those who have neither access to social grants nor the education levels necessary to integrate successfully into a harsh labour market are especially vulnerable.     

Trade Opening,Fiscal Reforms,Poverty, and Inequality: A CGE Analysis for Bangladesh

We assess the short‐ and long‐run impacts of tariff reform policies on Bangladeshi households' poverty and income distribution by developing an 86‐sector, four‐factor, and nine‐household‐group computable general equilibrium (CGE) model. The main findings are that the complete removal of tariffs leads to a decrease in overall poverty with rich household groups in a relatively better position. In the short run poverty incidence increases for rural landless, urban illiterate, and low‐educated household groups whereas rural large farmer and urban medium household groups enjoy improvements in all poverty indicators. In terms of income distribution, trade liberalization enhances inequality slightly, but there is a tendency towards more equitable distribution in the long run. The choice of a fiscal compensatory mechanism with consumption tax is likely to play a negative role in terms of poverty and inequality in the short run; however, interestingly, the results are pro‐poor in the long run.     

价格洼地、非市场化供给与收入分配效应——基于长沙楼市的研究

近年来全国房价快速上涨,各地房价出现你追我赶现象。但过去几年,长沙房地产市场却较为平稳,房价水平和上涨幅度与其他同等城市相比,均处于低位,呈现出明显的价格洼地特征。价格洼地的形成与长沙大量土地及住房的非市场化供给有很大关系,并在不同市场主体间产生了财富转移及收入分配效应。     

我国收入分配问题研究述评

改革开放以来我国的收入差距持续扩大，收入分配问题吸引了众多学者的关注，也引发了诸多争论。本文回顾了在收入分配制度研究、“倒U”理论、收入差距测度、城乡差距和地区差距研究等几个方面产生的理论争论，并做出了简单评述。     

Land, Factor Markets, and Inequality in Rural China: Historical Evidence

Drawing on a unique household-level data set from northeast China in the 1930s, this paper explores the connections between the distribution of land, factor markets, and income distribution. We test whether patterns of income inequality were consistent with the predictions of a market-clearing, neoclassical model linking land and labor endowments, through factor markets to household income. While the model is consistent with some features in the data, we reject the hypothesis that factor markets worked perfectly and find support for the historian's intuition regarding the disproportionate impact of land inequality in the countryside. Nevertheless, where markets were more active, especially land rental markets, excess returns to land were diminished and inequality was lowest. This suggests that factor market development played a positive role in reducing inequality in rural China.     

The unreported income and its impact on Gini coefficient in China

ABSTRACT

Unreported income is an important factor that distorts China’s household income accounting and Gini coefficient calculation. On the basis of comparing NBS household survey data and data from China’s Cash Flow Statement, this paper estimates the size and structure of unreported income in China over recent years. Our study found that about 20% of household disposable income has not been covered by existing household surveys in recent years. In 2015, the omission rate was 19.5%. Operating income and property income have the highest omission rates. Considering that unreported income is primarily owned by high-income people, China’s falling Gini coefficient since 2009 may have resulted from the statistical omission of partial incomes of high-income group. If unreported income is re-included, China’s Gini coefficient would increase by 10 percentage points rather than decrease.     

深圳市居民收入的区域差异分析——基于泰尔指数及其分解的测度

在特区扩容和"一市两法"困局破解的契机下,解决原特区内外发展不平衡、促进市域均衡化发展,成为深圳新一轮发展的主要任务之一。选取人均GDP和城镇居民人均可支配收入作为衡量指标,利用深圳六区2005~2009年的统计数据,从泰尔指数及其分解的角度对深圳市居民收入的区域差异进行测度分析。结果表明,深圳市居民收入的区域差异水平显著低于全国水平,但近年来呈现显著的逐步上升趋势;原特区内外的居民收入差异是全市居民收入区域差异的主要来源,近年来呈显著的逐步扩大趋势。同时还证明,GDP数据不能准确反映居民的实际收入分配情况,采用人均GDP指标来分析居民收入差异不能得到准确的结果。