中国城镇养老保险制度改革的收入分配效应

在公共养老保险制度下,可以通过调整养老保险的缴费率或养老金计发办法来影响参保人一生中的养老金纯受益,从而实现代际间和代际内的收入再分配。本文利用中国国家统计局2002年的城市住户调查数据,分别估计城镇参保职工在1997年养老保险制度和2005年最新养老保险制度下的终生养老金纯受益,并以此从代际间和代际内的角度对中国养老保险制度改革的收入分配效应进行定量分析。分析表明:在1997年的改革方案下改革前的养老保险制度中存在的逆向收入转移效果得到改善;但在2005年改革方案下,2002年时40岁以上的群体中存在较明显的逆向收入转移倾向。另一方面,从代际分配来看,1997年改革方案的代际不平衡大于2005年改革方案;在2005年改革方案下各代人的养老金纯受益都有所提高,但这是以养老保险制度的缴费率和养老金计发办法不变,养老财政收支能维持平衡以及参保人在整个工作期间按规定缴费为前提的。     

中国城镇养老保险制度收入分配效应的影响因素研究

经过30多年的改革开放,我国经济发展取得了令人瞩目的成就,人民物质生活水平有了很大的提高。其中,老年人的收入水平也得到了极大的提高。然而,随着近几年经济增长的逐渐放缓,城镇之间养老金收入差距状况有逐渐扩大的趋势,这很大程度上是由于城镇居民收入的分配差距拉大造成的。老年人口的收入问题应该从收入分配的大格局中考虑,并探究影响我国城镇养老保险制度收入分配效益的因素。从实际购买力方面考虑,人均GDP、养老金替代率的发展可以促进人均养老金的增长;从人口和就业方面考虑,过高的养老金可能会对就业产生巨大压力;从教育方面考虑,随着教育水平和工资水平的提高,居民对于养老保险的意识逐渐增强,可以促进养老保险的发展。     

基于马克思主义经济学的思考:养老保险一定需要代内收入再分配吗

养老保险金是部分劳动报酬的延期享用形式,没有进行收入再分配调节的内在要求。在生产力尚不发达的社会主义初级阶段,通过强制性的养老金缴费体系调节成员间劳动所得,有损按劳分配原则所生成的激励机制。在我国现阶段城镇缴费型基本养老保险制度建设上,只有尊重个人的平等权利、强调并鼓励个人为自己的行为负责,将代内收入再分配功能剥离养老金缴费体系,养老保险制度自身才会具有生命力,社会才能实现和谐稳定发展。     

试论我国社会养老保险制度的分配效应与改革走向

养老社会保险本质上是为满足社会老年成员基本生活需要、以国家为主体进行的收入再分配。其基本功能在于弥补初次分配和再分配中的市场失效，以维持社会公平，并促进社会的长期稳定和经济的持续发展。目前，我国现行的社会养老保险制度不仅不能有效地调节收入分配差别和刺激消费，相反在一定程度上加大了这种差别，并抑制了居民的当期消费。在我国社会总需求不足的条件下，社会养老保险制度的改革，应以分配效应为基本取向，着力于增加低收入阶层的收入，稳定低收入阶层的收入预期。     

我国基本养老保险扩面的收入分配效应研究

文章基于一般均衡分析框架,通过构建“统账结合”制基本养老保险的异质性跨期交叠一般均衡动态模型,引入国发〔2005〕38号文的主要内容,利用政策仿真、参数估值和敏感性检验等方法,重点研究了养老保险制度覆盖面扩展的收入分配和再分配效应,并进行了理论推导和实证测算。结果发现：（1）我国基本养老保险扩面具有明显的收入分配和再分配效应,且再分配效应是累进的,发生了从城镇企业职工为代表的高收入者向以灵活就业人员和农民工为代表的低收入者的收入转移;（2）个人账户发挥了平滑作用,有利于改善不同类型劳动者终生的收入分配,但不利于收入再分配的改善;（3）社会统筹账户具有较强的收入再分配效应,有利于改善不同类型劳动者的收入再分配,缩小收入差距。参数敏感性检验表明结论是稳健的。因此,进一步优化社会统筹账户有利于减小收入不平等。     

中国经济改革的资源配置和收入分配效应分析

效率和公平是社会主义社会的双重目标，改革初期的收入分配及利益关系的调整，对劳动者的激励作用是巨大的，也是改革成功的关键。随着改革的深入，不仅要调动资本、经营管理、技术等要素所有者的积极性，而且要重新唤起广大劳动者参与改革的热情，尊重他们的自主创新，降低改革的摩擦成本，使社会主义市场经济不断趋于完善。     

我国城镇住房制度改革对收入分配影响分析

本文从住房制度改革的角度入手,分析了住房制度改革中住房公积金制度、经济适用房政策、买公房给优惠制度及廉租房制度对居民收入分配的影响。在此基础上提出了进一步完善我国城镇住房制度改革,以减少对居民收入分配产生不良影响的建议。     

二次分配对城镇居民收入差距的调节效果分析——基于2007—2010年安徽省城镇住户调查数据

本文利用安徽省城镇住户调查数据探讨了二次分配对城镇居民收入差距的调节效果。研究表明,个人所得税和最低生活保障制度对收入差距的调节效果微乎其微;社会保障支出在一定程度上缩小了可支配收入的基尼系数,但是考虑到单位对住房公积金、养老保险、医疗保险的配套支出,最终的结果扩大了城镇居民的收入差距;目前,养老金和退休金对调节收入差距的效果最为显著,但是养老金和退休金的收入差距也比较大。     

市场化改革进程中无形资产的再分配及对收入分配的影响

可将无形资产分为价值增进型无形资产、流动性无形资产和价格增进型无形资产三种,从生产条件的分配和社会总产品的分配两方面研究无形资产与收入分配的关系。在我国从计划经济向市场经济转轨的过程中,一定程度上正是由于价值增进型无形资产的无序市场化、流动性无形资产的无序资本化和价格增进型无形资产的无序商品化,使收入分配格局出现了较大的分化趋势。     

中国代际核算体系的建立和对养老保险制度改革的研究

代际核算方法是 2 0世纪 90年代出现的分析财政问题和代际平衡问题的新方法。本文建立了中国的第一套代际核算体系 ,并利用代际核算体系分析了中国的养老保险体系。考虑到中国的实际情况 ,本文对传统的代际核算体系进行了以下扩展 :首先 ,传统的代际核算体系将人口按照年龄和性别分类 ,而我国无论是税收体系还是养老保险体系 ,城乡差别都比较大 ,因此我们将人口按照年龄、性别和城乡三个维度分开 ;第二 ,由于我国的社会保障体系不是全民覆盖 ,因此我们在考虑社会保障体系的缴费和支付时 ,需要考虑覆盖面的变化。核算结果表明我国城乡不平衡很严重 ,城镇人口到 55岁 (其中女性到 50岁 )时代际帐户就为负值 ,而农村人口要到 85岁 (其中女性到 90岁 )代际帐户才为负值。我国的代际不平衡也较为严重 ,按照不同的生产率增长率和贴现率的假设 ,我国未来代的代际帐户值比 2 0 0 2年新出生一代高 66%到 1 0 2 %。而如果我们采用延长退休年龄的政策 ,代际不平衡情况可以得到很大改善 ,未来代的代际帐户值比 2 0 0 2年新生代高 43 %到 81 %。而如果不对机关事业单位的养老保险制度进行改革 ,代际不平衡状况将更加严重 ,未来代的代际帐户值比现存各代高出 78%到 1 1 5%。     

社会医疗保障改革的福利效应:以中国城镇为例

This paper evaluates Chinese public health insurance reform enforced since 1998 in terms of its welfare effects. We evaluate China health insurance reform since 1998 using the China Health and Nutrition Surveys (CHNS) data with relevant econometric models. The results of empirical studies show that the public health insurance status has significant impact on medical service utilization and expenditure. The reform reduces the positive effect of public health insurance on medical service utilization, meaning the utilization gap is narrowed after the reform. However, the empirical studies find that the medical expenditure growth of the sample individuals in urban China has not been controlled after the Basic Medical Insurance (BMI) program even if a new co-payment is enforced. Two main reasons for this failure might be the rising cost of medical service and physician’s severe moral hazard, while both of them come from no managed care mechanism for medical service providers in China.      

Public pension policy and the equity–efficiency trade-off∗

This paper illustrates that the equity–efficiency trade-off between a redistributive, Beveridgean, pension system and an earnings-based, Bismarckian, scheme can collapse when accounting for labor supply effects on the extensive margins. I introduce a general equilibrium overlapping generations model with endogenous savings, human capital formation, and labor supply. The model is calibrated to an average OECD economy. The results suggest that allocating funds towards a Bismarckian pension system always reduces earnings inequality – and, in some cases, lifetime inequality – when compared with a Beveridgean scheme. However, the Bismarckian scheme crowds out more human capital in the economy following a higher steady-state interest rate.     

The effects of transition on the distribution of income in China

Using two large samples for 1988 and 1995 we decompose the Gini coefficient of household income according to type of income with the purpose of analyzing reasons for the rapid increase of inequality. The results show that the change in relative size of money income and its changed profile are found to be the major processes behind the rapid increase of income inequality in rural China. Changes in housing allocation and an increased number of retirees in combination with higher benefits have made inequality increase in urban China and in China as a whole. JEL classification: D31, P27.     

The uniform enterprise income tax reform in China

In China, the income tax of enterprise is very different between foreign funded enterprises and other domestic enterprises. It is believed that this discrimination is harmful to the entire economy. So there is a reform in the tax system to build a uniform enterprise income tax. This is a significant reform in China＇s tax system, so every decision about this have to count the cost and the benefit carefully. The author has introduced the Computable General Equilibrium （CGE） to simulate this new tax system and value its benefit and cost. There are two different models in the paper; they are of different assumptions and for different purposes. Model I is a static CGE model and model II is a Ramsey Dynamic model. The static model is mainly used for comparative static approach to examine how the tax reform will change the endogenous variables. According to the results of the model, more goods will be produced by both of the DFEs and FIEs after the tax reform in the medium and low tax effective tax rate situations. If the nominal tax rates decrease 24.24% （from 33% to 25%）, the enterprise income tax will only reduce 19.36% and the total tax revenue will only reduce 1.911%. The dynamic model will concentrate on the costs and benefits during the transition. From the results of the model, a lower tax rate will increase the level of investment, capital stock, capital prices, wage rate and also the growth rates through transition. If the capital tax rates are changed gradually, the fluctuating of transition will be smoothed a little.     

Unprivatizing the pension system: the case of Poland

In many countries, the fiscal tension associated with the global financial crisis brings about the discussion about unprivatizing the social security system. This article employs an Overlapping Generations model to assess ex ante the effects of such changes to the pension reform in Poland from 1999 as implemented in 2011 and in 2013. We simulate the behaviour of the economy without the implemented/proposed changes and compare it to a status quo defined by the reform from 1999. We find that the changes implemented in 2011 and in 2013 are detrimental to welfare. The effects on capital and output are small and depend on the selected fiscal closure. Implied effective replacement rates are lower. These findings are robust to time inconsistency. The shortsightedness of the governments imposes welfare costs.     

城镇职工养老保险基金缺口问题研究

城镇职工养老保险制度转轨的历史债务是城镇职工养老保险金缺口形成的直接原因。人口老龄化背景下领取养老保险金的人数不断增加,而养老保险金保值增值能力又不强,再加上通货膨胀的影响,使养老保险基金缺口问题一直难以解决。因此,通过对养老保险基金缺口现状及原因的分析,以探讨解决缺口问题的方法。     

Endogenous retirement and public pension system reform in Spain

Population aging has spurred developed countries around the world to reform their PAYG pension systems. In particular, delaying legal retirement ages and reducing the generosity of pension benefits have been widely implemented changes. This paper assesses the potential success of these policies in the case of the Spanish economy, and compares them with the results obtained by the (rather modest) reforms already implemented in 1997 and 2001. This evaluation is accomplished in a heterogeneous-agent dynamic general equilibrium model where individuals can adjust their retirement ages in response to changes to the pension rules. We check the ability of the model to reproduce the basic stylized facts of retirement behavior (particularly the pattern of early retirement induced by minimum pensions). The model is then used to explore the impact of pension reforms. We find that already implemented changes actually increase the implicit liabilities of the system. In contrast, delaying the legal retirement age and extending the averaging period in the pension formula to cover most of the individual's life-cycle can reduce the implicit liabilities substantially. These findings reveal the failure of the Spanish political system to distribute the costs of population aging more evenly across the generations.     

Reforming occupational pension schemes: the case of the Netherlands

In many countries, occupational plans are being reformed away from defined-benefit (DB) to defined-contribution (DC) designs. This paper explores the case of the Netherlands, which features a particularly high ratio of occupational pension assets to GDP. Dutch occupational DB plans suffer from a number of serious weaknesses, including ambiguous ownership of assets, back-loading of benefits, and lack of tailor-made risk management. To address these weaknesses, we propose collective individual DC plans that are actuarially fair. These schemes maintain important strengths of collective schemes, such as mandatory saving, collective procurement, and pooling of biometric risks. At the same time, they eliminate intergenerational conflicts about risk management and distribution through transparent individual property rights on financial assets and tailor-made risk profiles in individual accounts. We show how the transitional burden due to phasing out the back-loading of pension benefits can be addressed without a substantial increase in contributions.     

Cross-country evidence on the distributional impact of fiscal policy

This article provides new evidence on the distributional effects of fiscal policy using data on a panel of OECD economies over the last four decades. We study how four measures of income inequality and poverty respond to several stock and flow variables accounting for fiscal actions. We find that increases in government debt and expenditure promote a less unequal distribution of income. We detect a significant distributional impact of education and social spending as well as of government consumption expenditure. We also investigate potential redistributive implications of large fiscal expansion and consolidation episodes finding no evidence of additional effects beyond those associated with conventional fiscal variables.

Abbreviations: OECD: Organisation for Economic Co-operation and Development; GDP: Gross Domestic Product; G20: Group of 20 economies (forum of 19 dvanced and emerging countries plus the European Union); CGE: Computational General Equilibrium models; DSGE: Dynamic Stochastic General Equilibrium models; UN-WIDER: United Nations World Institute for Development Economics Research; SWIID: Standardized World Income Inequality Database; WDI: World Development Indicators; PPP: Purchasing-Power Parity; LIS: Luxembourg Income Database; GMM: Generalized Method of Moments; FE: Fixed Effects; RE: Random Effects; SE: Standard Errors; CPI: Consumer Price Index