中国城镇养老保险制度改革的收入分配效应——基于2002年城镇住户调查数据的定量分析

Using the micro data of Urban Household Survey made by the National Bureau of Statistics of China(NBS) in 2002, this paper studies quantitatively the distributional effects of Public Pension Reform in urban China, from intragenerational and intergenerational perspectives, by measuring lifetime net benefits that urban employees obtain under the public pension system in 1997 and the newest one announced in December 2005, respectively. The results indicate that the regressive income transfer existing before implementation of the reform is improved as a consequence of the 1997 reform. However, the Act of 2005 Reform generates the obvious inclination of the regressive income transfer among people who exceed 40 years old in 2002. On the other hand, from the viewpoint of intergenerational distribution, the intergenerational inequality resulted from 1997 reform is greater than that from 2005 reform. Moreover, all generations would receive higher lifetime net benefits under the Act of 2005 Reform, but it must be based on sustainable pension system and participants’ full pension contribution during their duration of employment. __________ Translated from Jingji yanjiu 经济研究(Economic Research Journal), 2007, (3): 70–80, 91     

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.     

Retirement expectations, pension reforms, and their impact on private wealth accumulation

We estimate the effect of pension reforms on households' expectations of retirement outcomes and private wealth accumulation decisions exploiting a decade of intense Italian pension reforms as a source of exogenous variation in expected pension wealth. The Survey of Household Income and Wealth, a large random sample of the Italian population, elicits expectations of the age at which workers expect to retire and of the ratio of pension benefits to pre-retirement income between 1989 and 2002. We find that workers have revised expectations in the direction suggested by the reform and that there is substantial offset between private wealth and perceived pension wealth, particularly by workers that are better informed about their pension wealth.     

The influence of pension funds on corporate governance

Although pension funds have gained importance in the last two decades, their role has not been described in detail by economic models. This article focuses on the scope of these institutional investors when they are not satisfied with a management team of a company in which the pension fund holds a block of shares. Stock holdings by pension funds are largely dispersed. Therefore, any intervention by pension funds in corporate governance requires the formation of a coalition of pension funds. The realization of a coordinated intervention, in turn, is subject to the problems related to the provision of public goods, such as free riding. We find that the stock dispersion and the combined share of pension funds, coordination costs and the attractiveness of the exit option are relevant factors for determining the probability of the success of interventions.     

Employment- and growth effects of tax reforms

Since the mid-1990s almost all OECD countries have engaged in fundamental reforms of their tax systems. There is a trend towards higher social security contributions and lower tax rates on personal and corporate income. This paper explores whether these tax policy measures are effective means for reducing unemployment and accelerating economic growth. Using a Pissarides type search model with endogenous growth, we analyze how savings and the incentive to create new jobs are affected by revenue-neutral tax swaps between wage income taxes, payroll taxes, capital income taxes and taxes levied on capital costs. In our framework, cutting the capital income tax (reducing the double taxation of dividend income) financed by a higher payroll tax turns out to be superior, such a policy mix fosters both employment and growth. Most other tax reforms imply a trade-off between employment and growth.     

From Generosity to Sustainability: The Austrian Pension System and Options for its Reform

Austria has one of the world's highest pension expenditures relative to GDP, largely because of the generosity of its pension system. This paper examines the institutional setup of the Austrian pension system and projects its medium- and long-term development based on current policies. The projection results show a swift worsening of the finances of the pension system. With the already high level of contribution rates, pension expenditures, and budget transfers, the results underscore the need for reform. Much of the necessary reform can, however, be achieved by maintaining the structure of the system and adjusting some of its key parameters, as begun in the recent pension accord. The paper outlines options for further reform steps.     

建立和完善农村社会养老保险制度的障碍与建议

农村社会养老保险制度推行十多年来,在实践上取得了丰富的经验,同时也暴露出建立农村社会养老保险制度的许多障碍性因素。为进一步完善农村社会养老保险制度,应给予农村人口社会养老保险"国民待遇",确立农村社会养老保险的法律地位,加强农村社会养老保险基金的管理等。     

The impacts of social pension on rural household expenditure: evidence from China

In 2009, China began to implement a new social pension scheme in rural areas. We examine the impacts of this social pension on two main components of rural household expenditure, consumption and agricultural production investment. Our findings show that on average, rural households increase consumption by 1–3% and agricultural investment by as high as 6–9% in pilot counties. Further estimations reveal that the pension mainly affects the households with old-aged members and the poorer families, and that the saving rate hasn’t been changed by the pension, which support more the contingent income than the life-cycle hypothesis. We also find that among various types of expenditures, the most dramatic increases have occurred in food consumption and operational inputs on agricultural production.     

The impacts of bank-specific and macroeconomic variables on the capital adequacy ratio: evidence from Islamic banks

The study investigates the relationship between the capital adequacy ratio (CAR) and different bank-specific and macroeconomic variables for 28 Islamic banks. We document that there is a statistically significant positive relationship between the CAR and the bank-specific and macroeconomic variables. In particular, bank-specific variables such as ROA, ROE, leverage, credit risk and size show a strong association with the CAR, while on the macroeconomic side, inflation, market capitalization and exchange rate have an impact on the average Islamic bank in our sample study. Furthermore, we run another model (equity to assets ratio) as dependent, with similar control variables, and the results reveal that, except for inflation, all the variables that have a significant effect on the CAR also influence the equity to assets ratio.     

中国企业年金税收优惠政策的比较与选择

2005年,随着首批金融机构获得企业年金经办资格认证,中国企业年金保险进入到具体实施阶段.然而,直到2006年底,关于企业年金的缴费方式、基金的投资管理、给付机制、法规监管以及税收优惠政策等一系列相关问题仍未解决,成为严重制约企业年金市场发展的瓶颈.本文着重从企业年金税收优惠政策的比较与选择入手,结合城镇基本养老保险的情况,通过核算国家税式支出、企业年金积累额等指标,对国家采取适当的企业年金税收优惠政策去引导和促进企业年金市场的发展提出理论依据.     

The impact of tax reforms on unemployment in a SMOPEC

This paper analyzes revenue-neutral tax reforms for a small open economy which is constrained to a balanced current account and whose producers have market power on the world market. We consider origin-based and destination-based commodity taxes as well as taxes on income, the payroll, and on an imported factor of production. Our main findings are the following. First, the strength, and for some parameter constellations, even the sign of the employment effect of tax reforms varies with the degree of openness of the economy. Second, the indeterminacy of the sign of the employment effect crucially hinges on the presence of an internationally mobile factor. The central mechanism underlying our results are adjustments of the real exchange rate which have repercussions on wage and price setting and therefore on employment.     

The optimal portfolio for the two-pillar mandatory pension system: the case of Poland

In the recent decade, there has been observed across the Central and Eastern European states the regulatory trend towards the increase of the non-financial (first) pension pillar size at the expense of the financial (second) pillar. It tends to question the consequences of this shift for the future retirement benefits. Applying the portfolio approach we address this issue by running a series of simulations to find out how to allocate pension contributions between both pillars in an optimal way. Our study contributes to the existing literature as follows. First, we do not perform the assessment of the predetermined regulatory solutions, but we look for an optimal one. Moreover, we allow our optimal rule to be time-varying, if necessary, which would be a true novelty in this research area. Second, we do not base our estimates on historical trends; rather, we apply the long-term economy’s projection to account for the society’s ageing impact, which is a crucially important factor for the solvency of the pension system. Adapting some of the simulation assumptions to fit the Polish case, our results confirm that current regulations underestimate the role of the capital pillar and the optimal allocation between both pillars should be time-varying.     

缩小企业与机关事业单位退休职工养老金差距问题研究

企业与机关事业单位退休职工养老金存在较大差距,从2002年开始,这个差距在400元以上;企业退休职工平均养老金占机关事业单位平均养老金的70%及以下,这极大地损害了社会保障制度的公平原则。缩小企业与机关事业单位退休职工养老金的差距需要加快事业单位分类改革、分阶段实施养老金“双轨”改革、完善企业（职业）年金制度等。     

The pace of fiscal consolidations,fiscal sustainability,and welfare: An overlapping generations approach

This study investigates expenditure- and tax-based consolidations under the rule of reductions in debt-to-GDP ratios to the target level and the effects of these consolidations on fiscal sustainability and welfare, using an overlapping generations model with exogenous growth settings. We derive (i) a threshold (ceiling) of public debt to ensure fiscal sustainability, (ii) sustainable paces of these consolidations, and (iii) the optimal pace of consolidations under both expenditure- and tax-based consolidations, examining whether these consolidations are effective in the sense that they are sustainable, increase welfare, and induce fairness of welfare distribution across generations (lower intergenerational conflicts over welfare). We find that the pace of tax-based consolidation required to ensure fiscal sustainability is higher than that required for expenditure-based consolidation. As for welfare, countries may differ in their choice of the type of consolidation, which depends on the size of outstanding debts relative to capital, the economy’s productivity, tax rate levels, and the extent of utility derived by individuals from public goods and services. More importantly, it may also depend on whether policymakers emphasize social welfare or fairness of welfare distribution between generations. By contrast, a common result from the viewpoints of both social welfare and fair distribution of welfare across generations is that fiscal consolidation cannot persist much longer than 30 years (one period in the model). This result will support the pace of consolidation in the EU: the Stability and Growth Pact.     

基于可持续性的养老保险个人账户目标模式

养老保险个人账户的模式有完全积累制和名义账户制等。文章从社会整体、投资收益率、社会总福利和动态发展等四个角度,分析了各种养老保险模式的优劣,并提出:当前我国可实施名义账户制;在未来,在我国储蓄率和人口结构发生变化后,可适时调整养老保险制度的模式。     

The neglected effects of demand characteristics on the sustainability of collusion

According to standard IO models, the parameters that characterize market demand (intercept, slope, and elasticity) and technology (the level of symmetric marginal costs) do not play any role in defining the sustainability of collusive behaviors in Bertrand oligopolies. This paper modifies this counterintuitive result by showing that all of the aforementioned factors do indeed matter when prices are assumed to be discrete rather than continuous. The sign of these effects is clear. Their magnitude varies greatly; i.e., in some cases, it is totally negligible, while in others, it becomes extremely relevant.     

The effects of economic reforms on manufacturing dualism: Evidence from India

Dualism is a pervasive feature of the manufacturing sectors of less-developed countries, with large differences in productivity between the informal and the formal sectors. Policy distortions are viewed as an important factor behind the prevalence of manufacturing dualism. We examine whether tariff reforms, industrial de-licensing and the withdrawal of reservation of products for small firms implemented since the mid-1980s have had any effects on efficiency differentials between informal and formal firms in Indian manufacturing. We find strong evidence that economic reforms have exacerbated dualism by increasing the productivity differentials between the more efficient formal firms and the less efficient informal firms.     

论公办高校教师养老保险待遇改革的制度取向——基于权威统计数据的分析

公办高校教师养老保险改革的制度设计,比较突出的取向,就是把公办高校教师与义务教育教师和公务员区别开来。公办高校经费公用部分支出与义务教育的比较,公办高校的学费标准、生均教育经费支出和教工工资水平的统计数据,相关组织的投入产出即绩效的比较分析,表明公办高校与义务教育和政府机关具有相当的公益性。因此,公办高校教师的养老保险待遇应该与公务员相同。     

The effects of public infrastructure on the cost structure of Spanish industries

This paper examines the impact of public infrastructures on the performance of Spanish private business at a disaggregated industry level. We use duality theory to recover the productivity effects of public capital by calculating the cost saving effects that are associated to public services. Using a translog cost function we present panel estimates for 14 Spanish industries during the period 1980–1991. Our results strongly suggest that public capital formation can be considered to be an instrument to improve competitiveness by reducing production costs. However, the results also indicate that there is a technologically induced labor saving effect through higher public investment. Furthermore, our estimates suggest that a distinction among industries is of importance because the effects of public infrastructures vary across industries considerably.