Taxation and the Environment–Health–Poverty Trap: A Policy Experiment Perspective

Under pressures related to economic growth and environmental protection, China is facing an increasingly severe “environment–health–poverty” trap risk. Fuel taxation is generally considered an effective policy to counter such a risk. Since 2009 China has raised the fuel tax rate many times to enhance tax reform. However, the effects of this policy remain unknown. Therefore, it is vitally important to estimate the impacts of China's current fuel taxation policy on environment, public health and the national economy. As the first attempt in existing literature on China, this paper builds a general equilibrium framework with the feedback effect of public health on economy. We find that that the fuel tax policy benefits the adjustment of the economic structure and improves human health; however, it is detrimental to economic growth, public welfare and price stability. In this sense, it plays a limited role in reducing the trap risk and might not be sustainable in the long term.     

A politically feasible social security reform with a two-tier structure

This paper investigates the welfare implications and political feasibility of social security reforms with a two-tier structure in Japan. We evaluate social security reforms from two points of view: (i) the ex-ante expected value of future generations, and (ii) whether current generations prefer reform to the status-quo system, which we call political feasibility. To evaluate the reforms, we use a large-scale overlapping generations model with idiosyncratic income risk and a two-tier structure. The first tier guarantees a basic pension and the second tier consists of the earnings-related part. Calibrating the parameters of the model to the Japanese economy, we compute the transition path and the two welfare criteria. We find that, given the two-tier structure in Japan, an increase in the basic pension and the abolition of the earnings-related part of the social security system improve the welfare of future generations, and ensures political feasibility when a consumption tax is the source of revenue.     

Government Deficit, Public Investment, and Public Capital in the Transition to an Aging Japan

This paper examines the effects of government deficits, public investment, and public capital on welfare in the transition to an aging Japan by applying a simulated general equilibrium growth model. One of the main results of this paper is that targeting only high economic growth would mislead us as to economic policies, and that a policy to reduce future government deficits is most preferable for almost all generations, even though a cut in future deficits must be followed by a decrease in public investment, thus a decrease in public capital in the future. J. Japan. Int. Econ., December 2002, 16(4), pp. 462–491. Faculty of Economics, Shiga University, Japan; and Management School, Imperial College, United Kingdom. © 2002 Elsevier Science (USA).Journal of Economic Literature Classification Numbers: H55, H54, H62, C68, J10.     

Fiscal sustainability in Japan

This paper investigates fiscal sustainability of Japan by providing a dynamic stochastic general equilibrium (DSGE) model that features the low interest rate of the government bond relative to the economic growth rate to mimic the actual data. We evaluate fiscal sustainability by investigating whether the expected path of the debt-to-GDP ratio stabilizes or increases without bound. The debt-to-GDP ratio depends crucially on the projected growth rate and the fiscal policy rule. If the government does not react to the current fiscal crisis, the debt-to-GDP ratio will increase without bound, and then the fiscal policy is not sustainable. If the fiscal rule uses Bohn’s (1998) idea that involves the response of the primary surplus to the debt, sustainability improves. This rule provides a useful and realistic reform plan in the short and long runs.     

The Economic Value of Time: Evidence from Africa

When excessive and inefficiently implemented, government interventions can result in significant economic losses for citizens. These include the often‐significant cost of lost time. This paper thus aims to estimate the potential economic welfare benefit of reducing public office waiting times. Based on data from Johannesburg, Lagos and Addis Ababa, we show that a one‐hour reduction in waiting time improves welfare by 66‐74% of the average local wage. High‐income earners, college graduates and private‐sector employees enjoy higher gains. Moreover, we note that the proxies currently used to quantify time‐saving benefits diverge significantly from the rate at which individuals substitute time for money. Our analysis also indicated a substantial delay‐induced citywide efficiency loss. Introducing public–private partnership and charging premium fees for faster service delivery are justifiable both on grounds of equity and efficiency.     

Intergenerational Inequality and the Contract Out Policy in Public Health Care

This study investigates the impact of a Japanese public health care reform—called the contract out policy—on intergenerational inequality and the probability of a surplus in medical saving accounts. First, I investigate the change in the lifetime net burdens for each generation and public health expenditures and conduct simulation analyses to consider the effects of contracting out public health insurance on intergenerational inequality using the generational accounting method. Next, I simulate the probability of a surplus in medical savings accounts using the transition probability of health care expenses based on individual health data, such as receipt data. According to the simulation results, the net lifetime burden on future generations after contracting out shows a 1% reduction compared to the base case, which is not implemented in public health care reform. In addition, the probability of medical savings accounts remaining in surplus, including cases of zero medical expenses, is 69.6%.     

Reducing Public Debt under Dynamic Efficiency: Transitional Dynamics in Diamond's OLG Model

Fiscal retrenchment is on the political agenda in the U.S. as well as in the EU. Utilizing Diamond's [1965] classic OLG growth model with internal debt, this paper focuses on temporarily adjusting the ratio of the primary budget surplus to GDP to achieve a target debt to GDP ratio lower than its initial level in the case of dynamic efficiency. The transitional dynamics of the debt to GDP and of the capital–output ratios are rigorously analyzed. It is shown that reducing the public debt to GDP ratio diminishes private capital intensity too.The author thanks, without implication, an anonymous referee and Laurie Conway for extremely useful advice and comments.     

Is there any gain from social security privatization?

Increasing calls for a social security reform of switching from the pay-as-you-go (PAYG) system to a funded system has been seen in recent decades. This paper examines the effect of this reform on capital accumulation and the welfare of each generation. Three methods are used to finance the pension debt, government debt financing, tax financing, and government asset financing. With government debt or tax financing, the market equilibrium remains unchanged and all generations are as well off in the new system as in the PAYG system. Thus, switching from the PAYG system to a funded system is neutral. With government asset financing, the interest rate will decrease, private capital will increase, but the total output may either increase or decrease. The welfare effect is also ambiguous in general, depending on the rate of return of government assets. With plausible parameters, our simulation shows that the reform will lower the interest rate, increase private capital, and lower government capital in the short run, but raise government capital and increase output in the long run.     

Labor market adjustment under transition in Laos

Laos has engaged in an ambitious program of economic reforms, the New Economic Mechanism. Yet little attention has been devoted to the impact of the reform process on the functioning of the labour market and to the role of the labour market in mobilizing human resources. The purpose of this paper is to examine the impact of reform policy on the labor market and to show how a better adjustment of the labor market can facilitate the success of the New Economic Mechanism. The purpose of the paper is also to show how a better use of the information generated in the labor market can contribute to transforming the reform process into a process of sustained economic growth in Laos.     

Impact of Economic Reforms on Economic Issues: A Study of Ethiopia

Abstract: This paper is an attempt to investigate the impact of economic reforms on the economic issues in Ethiopia. Different economic issues — parameters determining the effectiveness of economic reforms — are separately discussed to measure how far Ethiopia has benefited from the reform policy. A simple and comparative analysis of various economic indicators between the pre‐reform and post‐reform, that is, between 1985/86–1991/92 and 1992/93–2001/02, reveals that those economic reforms have revamped the economy by moving its GDP from its long‐standing poor record to a respectful growing state. Nevertheless, the reforms have failed in attaining other direct economic objectives, such as standard of living, external debt, trade balance deficit and current account deficit. Economic reforms have, no doubt, attracted a significant amount of private investment, but its volume started declining within the reform period and so were privatization proceeds. This study suggests that a full‐fledged and committed reform is indispensable at the earliest to attaining the full benefits of reform policy.     

Pension reform and saving in Britain

The paper examines the pension programme in Britain, focusingon reforms that have increased the fraction of the work-forceopting out of public provision and that have permitted individualsto choose their private pension provider. It also examines theissue of pension provision and household saving. The paper highlightsthe disparities in retirement saving behaviour across typesof pension provision and different households. The paper discussesthe policy issues of the adequacy of household saving, and theimpact of pension reform on household saving and the publicfinances.     

To Spend the U.S. Government Surplus or to Increase the Deficit? A Numerical Analysis of the Policy Options

This paper provides a numerical analysis of the likely benefits from adopting alternative ways of reducing the projected fiscal surplus (as of the summer 2001) in the United States economy. Calibrating a small growth model, our results suggest that investing the surplus in public capital is likely to yield the greatest long-run welfare gains, although decreasing the capital income tax is only marginally inferior. Both these options dominate increasing government consumption expenditure or decreasing the tax on labor income. By shifting resources from consumption toward capital the two superior policies involve sharp intertemporal tradeoffs in welfare; significant short-run welfare losses are more than compensated by large long-run welfare gains. By contrast, the two inferior options are gradually welfare-improving through time. A crucial factor in determining the benefits of reducing the government surplus through spending is the size of the government sector relative to the social optimum. We find that the second-best optimum is to increase both forms of government expenditure to their respective social optima, while at the same time restructuring taxes by reducing the tax on capital and raising the tax on wage income to achieve the targeted reduction in the surplus. J. Japan. Int. Econ., December 2002, 16(4), pp. 405–435. Department of Economics, University of Washington, Seattle, Washington; and Department of Economics, Terry College of Business, University of Georgia, Atlanta, Georgia. © 2002 Elsevier Science (USA).Journal of Economic Literature Classification Numbers: E62, O41.     

苏南现代化建设示范区经济、人口与社会医疗保险——以常熟市居民基本(农村合作)医疗保险为例

经济社会发展、人口老龄化和现代化社会医疗保险制度建设的关系,是当前苏南现代化社会医疗保险制度建设的重大课题。文章基于对常熟市居民基本(农村合作)医疗保险的研究,发现:政策延续与经济发展是以常熟市为代表的苏南现代化建设示范区社会医疗保险制度建设取得改革发展先机的重要因素;持续加深的人口老龄化程度对社会医疗保险基金安全和补偿支出结构的负面冲击已经逐步显现;提高补偿标准和改革支付方式在一定程度上优化了参保居民就诊结构,增强了社会医疗保险的宏观经济保障能力,但长期对提高社会医疗保险制度的宏观经济保障能力的作用非常有限。基于以上研究发现,提出政策建议:通过吸纳外来务工人员以优化参保人群年龄结构是解决人口老龄化挑战的关键;重视疾病预防,特别是慢性病早期预防,加强多部门疾病预防协同合作是应对人口老龄化的重要措施。     

Trade and Tax Reforms in a Cash‐in‐Advance Economy

We examine the effects of both tariff‐only and coordinated trade‐tax reforms on market access, government revenue, and welfare for a small monetary economy, under the assumption that a certain fraction of purchases of each good must be financed with cash held in advance. We show that if the cash requirement ratio in the exportable sector is greater than that in the importable, then, contrary to previous results, (i) a uniform radial reduction of tariffs has ambiguous effects on both welfare and market access, (ii) tariff and consumption tax reforms that leave consumer prices unchanged may be more efficient in improving market access and welfare than a reform that involves only tariffs, and (iii) export and production tax reforms that keep producer prices unchanged may be welfare deteriorating.     

声誉能解决医疗保险的“双刃剑”难题吗？——来自实验的证据

医疗保险虽然有利于提高医疗卫生服务的可及性和公平性，但也滋生了严重的道德风险问题。文章基于医疗服务的信任品属性，利用实验方法刻画了商业保险和社会保险两种保险形式，并通过对比私人信息和公开信息探究了加强声誉建设对解决医疗保险“双刃剑”难题的作用。实验结果表明，首先，商业保险和社会保险均会导致医患双方的道德风险问题，且商业保险更严重。其次，声誉加强有利于缓解保险的道德风险，其作用机制在不同保险条件下有所不同。在商业保险条件下，声誉通过弥补患者的信息劣势，加大了对医生欺骗行为的约束；而在社会保险条件下，声誉在提振患者对市场的初始信心的同时，降低了患者因保险依赖而盲目交易的可能性。最后，综合医疗市场的经济效益和社会效益来看，公开信息商业保险和公开信息社会保险是两种相对高效的政策组合。     

北京农户增收影响因素与对策研究

对北京农户收入面板数据及187户实地调研数据进行分析,得出农户收入稳步增长、增速平缓、农户收入以工资性收入为主、城乡收入差距大和各区之间农户收入差异大的结论以及存在着农户增收活力不足、经营收益低、财产性所得少、新型农业发展不足、农村人口老龄化、农民文化程度低和农民健康状况差的问题。认为深化农业农村改革、鼓励土地流转、改善人居环境、完善支农政策、推广医疗保险、吸引人才下乡和培育职业农民可增加农户收入。     

The Botswana Development Corporation: Divestiture policy and citizen participation in the private sector

The Botswana Development Corporation, Botswana's most important agency for industrial and commercial development, assists in the development of viable businesses, with the emphasis on profit‐making and earning acceptable returns on investment. Its policy is to divest from mature and successful ventures, ‐with the aim of raising capital for future investment, encouraging diversification and competition, and promoting citizen participation in private business ventures. The article considers the implementation of the policy with regard to two brewery companies. Its assessment is that the brewery divestments have had a positive but limited effect on economic participation by citizens and it concludes by suggesting policy and strategy reforms that would ensure sustainable private sector development.     

北京农户增收影响因素与对策研究

对北京农户收入面板数据及187户实地调研数据进行分析，得出农户收入稳步增长、增速平缓、农户收入以工资性收入为主、城乡收入差距大和各区之间农户收入差异大的结论以及存在着农户增收活力不足、经营收益低、财产性所得少、新型农业发展不足、农村人口老龄化、农民文化程度低和农民健康状况差的问题。认为深化农业农村改革、鼓励土地流转、改善人居环境、完善支农政策、推广医疗保险、吸引人才下乡和培育职业农民可增加农户收入。     

Population aging in Japan: demographic shock and fiscal sustainability

The paper develops a general equilibrium framework to examine the economic implications of population aging in Japan. Particular attention is paid to aggregate saving behavior, which is modeled on the basis of empirical age-earnings profiles using a life-cycle approach. The paper estimates the output loss caused by demographic changes and assesses the impact of aging on Japan’s government finances. Key fiscal policy options to address the consequences of aging are also compared with respect to their effects on growth and welfare.     

Fiscal Decentralization and Economic Growth in China, 1994–2002

The question of whether fiscal decentralization has affected economic growth since the 1994 fiscal reform in China is interesting to both policy makers and economists. Using a simple model of endogenous growth that incorporates spending by different levels of government, and a panel data set for 30 provinces for the period of 1994–2002, this paper finds that fiscal decentralization contributes significantly to economic growth. This finding is consistent with the theoretical prediction that fiscal decentralization can increase economic efficiency. In addition, this paper attempts to investigate how the relationship between fiscal decentralization and provincial growth differs in the different regions considered. For this purpose, the 30 Chinese provinces and regions are categorized into three conventional economic belts that comprise the eastern, central, and western areas. This study finds that the effects of fiscal decentralization on economic growth vary among these three regions.