Subsidies versus Public Provision of Private Goods as Instruments for Redistribution

The literatures on differential commodity taxes and on quantity controls to supplement income taxation have developed separately. This paper combines these two strands in the standard framework of optimal non-linear income taxation. We use a model with two types of households where the government has access to both subsidy policy and public provision of a good substitutable for leisure, and ouseholds can supplement the publicity provided good from the market. We present conditions under which policy should involve one or both of these two instruments alongside income taxation. The model is extended to many ability types.     

Pareto-Improving Redistribution and Pure Public Goods

In the pure public good model, the Nash equilibrium associated with one initial income distribution may Pareto dominate the equilibrium associated with another distribution of the same aggregate income. We explore this possibility and examine its implications for Pareto-improving policy intervention by undertaking a comparative static analysis of Pareto-improving tax-financed increases in pure public good provision. Under some circumstances, a government can engineer policies that raise public good provision while increasing the well-being of contributors and non-contributors. Crucial factors promoting this outcome involve a large number of non-contributors, a high marginal valuation for the public good by non-contributors and a large aggregate response of contributors to changes in their income.     

Public Versus Private Provision of Public Goods

It is well known that public goods are underprovided in a static setting with voluntary contributions. Public provision—in a median voter framework with proportional taxation—generally exceeds private provision. This paper compares private and public provision of public goods in a dynamic setting. In a dynamic setting, voluntary donations can result in efficient provision. Also, majority‐rule solutions exist even when taxes are not proportional to income. At low discount factors, public provision tends to exceed private provision. As patience increases, however, private provision may exceed public provision. This occurs because many outcomes with a low level of public good provision—and potentially large targeted transfer payments to particular individuals—become sustainable under public provision. Under private provision, however, large targeted transfers are unsustainable. To finance the public good, private provision tends to result in benefit taxation, and public provision tends to result in progressive taxation.     

采矿业繁荣与公共品提供

资源型地区的财政收入高度依赖于采矿业,地方政府对财政资金的有效利用是提升居民福利水平和促进经济社会发展的必要条件.本文从财政收入获取形式影响地方政府行为激励的角度,分析了采矿业繁荣恶化地方公共品提供的机制.然后,文章基于1998-2018年中国地级市层面数据,利用国际矿产资源价格变动作为外生冲击,对采矿业繁荣影响地方公共品提供进行实证检验.结果 表明,采矿业繁荣尽管大幅度增加了地方财政收入,但是教育、医疗等民生性公共品供给水平并未因此而提升,基础设施等生产性公共品供给也未因此而改善.进一步研究发现,采矿业繁荣期,财政供养人员数量显著膨胀、财政资金使用效率降低,因而高速增长的财政收入并未有效转化为公共品供给.本文的结论表明,应该强化资源型地区财政资金使用的监督约束机制,提高财政资金使用效率.     

Voluntary Provision of Public Goods and Technology

This paper highlights issues in the theory of voluntary provision of public goods, building on the investigation by Peacock in connection with the contributions by Coase and Buchanan. Our goal is twofold. We first draw attention to the early literature investigating the provision of public goods and to the successive theoretical analysis. We then focus on the impact of technology on supply and demand. Examples of different types of public goods are provided, with special attention to the cultural sector, to investigate whether and how technology affects the efficiency and the effectiveness of the related public goods provision. The implementation and exploitation of technological advancements are investigated in view of the role of different actors (public, private) at different levels of government.     

Social Norms and Private Provision of Public Goods

The formation of social norms for voluntary contributions to a public good is analyzed in a game in which people have preferences for private consumption, a public good, and social approval. Each person chooses to be one of the two types: a contributor or a non‐contributor. Thereafter, each person meets people who can observe his type. A non‐contributor feels disapproval, whereas a contributor feels approval if he believes that a contributor observes his type. The game has two asymptotically stable states: one in which everybody is a contributor, and one in which nobody is a contributor. Governmental subsidization of the public good can move the society to the former state, whereas a governmental contribution to the public good can move the society to the latter. Indeed, this crowding in or crowding out prevails even after policy reversal.     

Heterogeneity and the Voluntary Provision of Public Goods

We investigate the effects of heterogeneity and incomplete information on aggregate contributions to a public good using the voluntary contribution mechanism. The non-linear laboratory environment has three-person groups as partners under varying conditions of information and communication. Bergstrom, Blum and Varian predict that increasing heterogeneity will have no effect on aggregate contributions in a no-communication environment. Ledyard conjectures a positive effect of incomplete information, a negative effect of heterogeneity, and a positive interaction of heterogeneity and incomplete information. We find that incomplete information has a small but significant negative effect. Heterogeneity has a positive effect on aggregate contributions, but its effects interact unexpectedly with communication. In a no-communication environment, heterogeneity in two dimensions (endowment and preferences) increases contributions substantially while heterogeneity in a single dimension (endowment or preferences) has little effect. In the communication environment we find the reverse. We also find a positive interaction between heterogeneity and incomplete information. Thus we reject the Bergstrom, Blume and Varian invariance result and provide mixed evidence on Ledyard's conjectures.     

Group Structure and Public Goods Provision in Heterogeneous Societies

I consider a society with heterogeneous individuals who can form organizations for the production of a differentiated public good. A decentralized arrangement of organizations is said to be split‐up stable whenever there is no majority to split any of the organizations. Compared to the social optimum, decentralization yields too few organizations if they provide broad services and potentially too many if they are highly specialized. Conclusions are broadly similar in the presence of an outside opportunity where only some individuals join organizations.     

Coalition Stability in Public Goods Provision: Testing an Optimal Allocation Rule

We test the canonical model of international environmental agreements (IEAs) in a laboratory setting with asymmetric agents. IEA participation represents coalition formation and public good provision where there are gains to cooperation, but an incentive to free-ride. We test four competing methods of dividing the coalition’s worth: a recently proposed optimal rule which accounts for subjects’ payoffs as a single free-rider, the Shapley value, the Nash bargaining solution, and an equal split. Each treatment generates the theoretically predicted coalition size more often than not. The shares of the potential gains to cooperation achieved by each rule are: 51, 36, 40 and 13%, respectively. These results highlight the importance of using an optimal rule to improve IEAs, and more broadly for voluntary public good provision.     

区位性因素与公共品的最优供给

本文分析了两种区位性因素对地方公共品最优供给(质量与数量)的影响。一类区位性因素为某公共品在城市中所在的区域。分析表明,位于城市边缘地区的公共品的最优质量要小于位于城市中心地区公共品的最优质量。另一类区位性因素为某公共品与居民的相对位置(距离),这一因素在具体分析中被转化为使用居民出行半径表示的指标。结论表明,出行半径的增加一方面加大了中间投票人与公共品之间的距离,另一方面也使得原先距离公共品较远的居民得以有机会享用该公共品。前一种影响对公共品的最优质量起抑制作用,后一种影响的效果则相反。而公共品的最优质量随出行半径如何变化,将取决于这两种效应之间的比较。本文还根据公共品之间是否存在替代性区分了替代性公共品与非替代性公共品,并分析了这两种不同性质的公共品受区位性因素影响而在最优质量与最优供给数量上所呈现出的差异。     

Collective Choice and Voluntary Provision of Public Goods*

Some public goods are provided entirely with private contributions, others with a mixture of public and private funding, and still others are entirely publicly funded. In order to study this variation, a model of dual provision is developed that endogenizes public and private funding. Households vote over an income tax that finances public supply of the good and on whether to permit private contributions. While permitting private contributions may lead to a reduction in total provision, a majority always favors permitting private contributions. Results are developed for small and large economies, and the relevance of nonexcludability and noncongestion are investigated.     

Factor Endowments and the Private Provision of Public Goods

The paper examines the consequences of increasing the size of the community in the standard model of the private provision of public goods when costs are variable. In contrast to an economy with fixed costs, the provision of the public good can fall with a larger community, and an increased provision of the public good is neither a necessary nor a sufficient condition for individual utility to rise. The paper also contributes to the literature on immiserizing growth in that it shows that capital accumulation can possibly result in lower utility for all individuals.     

Repeated Interaction and the Public Provision of Private Goods

The literature suggests that governments can use in-kind transfers to design efficient and targeted redistribution schemes if individual incomes are not directly observable. We investigate the extent to which the self-selection property of in-kind transfers carries through if redistributive transfers are made repeatedly. In a two-period setting, the government may gain information about the individuals' incomes in the first period and exploit this information for making targeted transfers in the second-period. This, however, also triggers changes in the individuals' behavior. If the government can commit to its future policy, the least cost policy may involve randomization between cash and in-kind transfers. Without commitment, the dynamic setting works against the government's interest. It may no longer be able to use in-kind transfers to generate information about the individuals' types.
JEL classification : H 42; H 2     

The Time‐Consistent Public Goods Provision

In this study, we reconsider the optimal nonlinear tax problem with the public good from the perspective of the commitment issue and examine how it affects the condition of the public good provision. We show that the Samuelson rule should be modified when the government cannot commit and the skill types of taxpayers are revealed in the first period. This is true even if the preference of the taxpayers is separable and additive with respect to consumption and leisure. Our analysis also shows how the lack of commitment affects the formula of the marginal cost of public funds and the level of public good provision. Our findings imply that the level of the public good may be excessive in comparison to the case where the government can commit to its tax policy.     

效应溢出与地方公共产品供给的权限

基于地方公共产品理论,探讨了具有溢出效应的地区间地方公共产品最优供给效率,尝试性地测度了地方性公共产品不同的供给形态对帕累托效率的偏离,并在此基础上指出经济权限和政治权限的耦和是实现地方公共产品最优供给的重要途径,最后借助外部性内在化的理论分析框架探讨了实现经济权限和政治权限耦合的相应制度安排。     

公共品私人自愿提供决策的实验研究

本文利用实验数据对公共品私人自愿提供机制的多个经典特征事实进行了实证检验,其结论基本支持诸如"公共品私人自愿供给的存在性"、"捐献率随重复捐献次数的增加而有下降的趋势"和"公共品投资的私人边际回报率和交流的正效应"等特征事实.同时,实验还得到了一些新的发现,如"期初平均捐献水平较低"、"口头协议效果显著"、"经验分享存在积极作用"和"小组的合作程度存在巨大的差异"等.这些结论说明通过合理的制度设计和安排可以达到部分公共品由私人自愿提供的目的.     

Voluntary Participation and Provision of Public Goods in Large Finite Economies

We consider a public good provision game with voluntary participation. Agents participating in the game provide a public good and pay the fees according to a mechanism (allocation rule), while nonparticipants can free‐ride on the participants. We examine how the equilibrium public good provision level is affected by enlarging the population of an economy. We introduce a condition for an allocation rule, the asymptotic uniform continuity in replication (AUCR), which requires that small changes in the population must yield only small changes in the public good provision and which is satisfied by many mechanisms. We show that under AUCR, the equilibrium level of the public good converges to zero as the economy is replicated in the sense of Milleron.     

Heterogeneity, Coordination and the Provision of Best-Shot Public Goods

In a best-shot public good, where the provision level is determined by the highest contribution instead of the sum of all contributions, there is potential for waste and underprovision due to coordination failure. These failures are exacerbated when agents are identical because there is no focal point to guide coordination. In most real-world best-shot public-good situations, however, heterogeneity exists in the ability to contribute and the benefits received from the good. With such differences, shared expectations might emerge to improve coordination and increase efficiency. Using laboratory experiments, we find significant behavioral responses to heterogeneity that improve efficiency, but not always from increased coordination.     

Politically Determined Income Inequality and the Provision of Public Goods

Political processes may bring about Pareto improvements by increasing income inequality in a society that produces a public good by voluntary contributions. Proportional taxation funds a “governing agent.” The most endowed agent is the Condorcet winner for governing agent. When the tax rate can also be chosen by a vote, the ideal point of the agent with median initial endowment is the Condorcet winner under Cobb–Douglas utility. If Pareto improvements are possible, this ideal point corresponds to Pareto improvement. Pareto improvement may also be possible, even when a Leviathan set taxes, if there is deadweight loss from taxation. Pareto improvements are indeed always possible in “large” societies. On the other hand, no improvements may be possible if the initial distribution of wealth is very unequal in a “small” society, and Condorcet winners may not exist for other utility functions.     

Income Heterogeneity in the Voluntary Provision of Dynamic Public Goods

This paper explores the effect of income inequality on the voluntary contributions to a dynamic public good. We find that income heterogeneity has a significant impact both on contributions and welfare. The results show that the often observed decay of cooperation does not carry over to the asymmetric environment considered in this study. Our results also suggest that subjects in each income class make different contribution amounts in an absolute sense and give the same percentage of their income. Moreover, we find that contributions of individuals with the same endowment are sensitive to how heterogeneous the environment is.