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41.
将新制度经济学中交易费用理论引入公共产品供给分析,给出了供给公共产品的主体确定的理论模型,并在威廉姆森范式扩展的基础上得出了各个主体的边界,认为最优公共产品供给方式的选择和主体边界的确定,取决于公共产品供给过程中发生的交易费用.测算了中国公私部门供给公共产品过程中存在的交易费用,发现就我国公共产品的供给而言,在一定的条件下将公共产品供给由政府部门交给私人部门与第三部门可以节约交易费用,提高公共产品供给的效率. 相似文献
42.
Paolo Ghirardato 《Economic Theory》2002,20(1):83-92
Summary. I present an axiomatization of subjective expected utility and Bayesian updating in a conditional decision problem. This
result improves our understanding of the Bayesian standard from two perspectives: 1) it uses a set of axioms which are weak
and intuitive; 2) it provides a formal proof to results on the relation between dynamic consistency, expected utility and
Bayesian updating which have never been explicitly proved in a fully subjective framework.
Received: December 1, 2000; revised version: February 26, 2001 相似文献
43.
Giovanni Cespa 《Economic Theory》2005,25(4):983-997
Summary. This paper shows that information effects per se are not responsible for the Giffen goods anomaly affecting traders demands in multi asset noisy, rational expectations equilibrium markets. The role that information plays in traders strategies also matters. In a market with risk averse, uninformed traders, informed agents have a dual trading motive: speculation and market making. The former entails using prices to assess the effect of error terms; the latter requires employing them to disentangle noise traders demands within aggregate orders. In a correlated environment this complicates the signal extraction problem and may generate upward sloping demand curves. Assuming (i) that competitive, risk neutral market makers price the assets or that (ii) uninformed traders risk tolerance coefficient grows unboundedly, removes the market making component from informed traders demands rendering them well behaved in prices.Received: 30 April 2002, Revised: 3 December 2003, JEL Classification Numbers:
G100, G120, G140.Support from the Barcelona Economics Program of CREA and the Ente per gli Studi Monetari e Finanziari Luigi Einaudi, are gratefully acknowledged. I thank Anat Admati, Jordi Caballé, Giacinta Cestone, and Xavier Vives for useful suggestions. The comments provided by the Associate Editor and an anonymous referee greatly improved the papers exposition. 相似文献
44.
From 1994 to 2003, New Zealands corporatized electricity lines networks operated with no industry regulator, but under the spotlight of mandatory information disclosure. As a result there exists a large body of detailed, audited and publicly available accounting data on the financial performance of these businesses. Using that data, this paper finds that price-cost margins have widened substantially since deregulation. We estimate the extent to which light-handed regulation has allowed profits to exceed the levels which would have been acceptable under the old rate-of-return regulatory framework, and find that the answer is about $200 million per year, on an ongoing basis.We thank colleagues at Victoria University, and two anonymous referees for this journal, for constructive comments on this paper. Any remaining errors are entirely our responsibility.JEL classification: D21; K23; L11; L43; L51 相似文献
45.
阻碍资本外流契约不仅影响资本优化配置,也削弱代理人在优惠回报契约中的谈判力,从而使区域经济难以实现效用最大化.同时,在存在代理人道德风险的情况下,阻碍资本外流契约所规定的撤资高额违约金会妨碍区域经济总效用最大化的实现.应从制度上消除区域内外资本的等级差别,规定区域融资契约合理的法定有效期,并制定强有力的法律来制止区域融资主体迫使投资者与之签订只体现自己意愿的阻碍资本外流契约. 相似文献
46.
消费品市场有效供给不足的成因及对策 总被引:2,自引:0,他引:2
刘天祥 《西安财经学院学报》2002,15(3):27-29
在买方市场条件下 ,我国消费品市场有效供给不足表现为 :消费品市场上的商品价位与消费者的市场收入层次错位、名优品牌和知名品牌商品少、城乡消费鸿沟加深。造成消费品市场有效供给不足的原因是 :消费品生产的市场定位出现误差、生产技术含量低、市场营销能力不强等。要达到消费品市场均衡 ,必须要做好市场定位、提高产品的技术含量、推进名牌战略、降低经营成本 相似文献
47.
This paper considers a public-good economy with congestion, where participants jointly produce a public good from input of a private good. This economic model gives rise to a transferable-utility game, the profit game, that depends on consumer preferences and a congestion parameter. The simplicity of the game allows the maximum level of congestion that guarantees the nonemptiness of the core of the economy to be determined. It is known that the sustainability of the Lindahl equilibrium in the core of the economy depends on the distribution of profits. In this paper two distributions of profits are compared: the Lindahl solution and the marginal-contribution solution. The latter is more often in the core than the Lindahl solution which in turn Lorenz-dominates the marginal-contribution solution. 相似文献
48.
贾海彦 《中央财经大学学报》2005,(1):4-9
本文从政府角度出发,对公益品和私益品的特性进行了重新思考,从偏好、福利二分、绩效衡量难易、制度环境、意识形态等角度考察政府行为的独特性.并以我国体制转轨的特殊时期为背景,分析了不同于西方代议制的政体下,在公共品导出机制中政府行为的复杂性,指出了制度上的缺陷和由此导致的一系列现实问题. 相似文献
49.
Tax Competition and International Public Goods 总被引:4,自引:1,他引:4
A well known result in the tax competition literature is that tax rates are set too low in the Nash equilibrium to finance an efficient level of public consumption goods. In this model we introduce international spillovers in public goods provision and show that such spillovers reduce, and in the limiting case of perfect spillovers, eliminate tax competition. There is, however, always underprovision of the public good in equilibrium, since larger spillovers increase the problem of free riding. In an extension to the model, we demonstrate that congestion costs may result in overprovision of the public good. 相似文献
50.
王根贤 《中央财经大学学报》2003,(6):23-25
正确认识社会保险税并非一般意义上的税,而是介于税费之间,从而跳出了目前的费改税之争,对当前我国社会保障制度的构建具有重要的指导作用。关于社会保险模式的选择,结合我国实际,针对不同群体可选择“并列型和个人主导型”。运用收支两条线和提高社会保障立法层次构建起社会保障运行的制约机制。同时,要在工会的参与实施下,通过制度规则建企,构建社会保险的补充形式,如企业保险、社区互助等。 相似文献