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71.
Endogenous lifetime and economic growth 总被引:5,自引:0,他引:5
Shankha Chakraborty 《Journal of Economic Theory》2004,116(1):119-137
Endogenous mortality is introduced in a two-period overlapping generations model: probability of surviving from the first period to the next depends upon health capital that is augmented through public investment. High mortality societies do not grow fast since shorter lifespans discourage savings; development traps are possible. Productivity differences across nations result in persistent differences in capital-output ratios and relatively larger gaps in income and mortality. High mortality also reduces returns on education, where risks are undiversifiable. When human capital drives economic growth, countries differing in health capital do not converge to similar living standards, ‘threshold effects’ may also result. 相似文献
72.
Anna Maria Mayda 《European Economic Review》2005,49(6):1393-1430
We analyze two cross-country data sets that contain information on attitudes toward trade as well as a broad range of socio-demographic and other indicators. We find that pro-trade preferences are significantly and robustly correlated with an individual's level of human capital, in the manner predicted by the factor endowments model. Preferences over trade are also correlated with the trade exposure of the sector in which an individual is employed: individuals in non-traded sectors tend to be the most pro-trade, while individuals in sectors with a revealed comparative disadvantage are the most protectionist. Third, an individual's relative economic status has a very strong positive association with pro-trade attitudes. Finally, non-economic determinants, in the form of values, identities, and attachments, play an important role in explaining the variation in preferences over trade. High degrees of neighborhood attachment and nationalism/patriotism are associated with protectionist tendencies. 相似文献
73.
Tax competition and tax structure in open federal economies: Evidence from OECD countries with implications for the European Union 总被引:1,自引:0,他引:1
Timothy J. Goodspeed 《European Economic Review》2002,46(2):357-374
Tax competition arguments suggest that governments that operate in an open economy (such as local governments) should not and will not rely on non-benefit taxes, such as the income tax. Yet we observe reliance on income taxes by local governments in many countries, and such reliance changes over time. Evidence from a panel data set of 13 OECD countries over the period 1975-1984 suggests that competition between levels of government (resulting in a vertical fiscal externality) and between governments at the same level (resulting in a horizontal fiscal externality) provide some economic rationale for these changes. Moreover, the evidence indicates that the vertical and horizontal fiscal externalities interact. These results have some interesting implications for fiscal policy in the European Union, particularly as the EU continues to evolve. One implication for the EU is that enlargement that increases tax base disparities within the EU (and is not accompanied by an EU-level income tax) will tend to lower national income tax rates, although this must be qualified because it also depends on the mobility of the population. A second implication is that fiscal expansion of the EU to include an EU-level income tax may tend to lower the reliance of national governments on income taxes through the vertical externality, but may also tend to equalize tax bases across countries, and so increase reliance on national income taxes through the horizontal externality. 相似文献
74.
郁俊莉 《中南财经政法大学学报》2005,(3):89-93,109
任何科学发展,包括社会科学在内,其前沿问题都是非线性问题.但是,由于现行线性模型的简单易行,实际中仍被广泛运用.随着经济行为越来越复杂,只有用动态的非线性模型刻画某些经济现象,才能较好地反映客观现实.近二十年来,作为研究非线性问题科学分支之一的分形理论,也就成了经济学科研究与应用的前沿领域.本文探讨了分形时间序列的基本特点及Hurst指数计算方法,描述了计算时间序列Hurst指数的一般方法,运用R/S分析法分析了我国资本市场的分形特性,通过实例分析,总结了资本市场分形理论的基本内容. 相似文献
75.
传统的会计准则制定模式中都特别强调了会计概念、会计原则和会计规则的突出地位,因而有了原则导向(或基础)的会计准则制定模式、规则导向(或基础)的会计准则制定模式以及安然等财务欺诈案件后美国目标(实际是概念)导向的会计准则制定模式的说法。通过对现有会计准则制定模式的反思,我们认为会计概念、会计原则和会计规则不应是会计准则制定的导向或基础,而是会计准则结构体系的构成要素。在本文中,我们对其各自的含义界定和功能定位进行初步探讨,旨在为建立我国的会计概念框架,完善会计准则体系提供理论参考。 相似文献
76.
Frédéric Lordon 《Journal of Evolutionary Economics》1997,7(1):1-21
The slow and endogenous twist of economic macro-structure makes up an important evolutionary feature of capitalist economies,
and may be at the root of structural crisis. In this line, a Goodwinian growth model with increasing returns and profit-sharing
that tries to picture a simple scenario of the seventies crisis is considered. It is shown that the exhaustion of the Kaldor-Verdoorn
“productivity law” can entail, in a nonlinear framework, a “catastrophic” bifurcation from a “high” to a “low” growth path.
Slow/fast dynamical systems then allow one to formalize a multiple time-scales dynamics where the growth path is shaped by
the structural framework in which it takes place, but has also a long -un feedback. Structural change and crisis appear as
long term and endogenous outcomes. 相似文献
77.
In this paper we consider the exact D-optimal designs for estimation of the unknown parameters in the two factors, each at only two-level, main effects model with autocorrelated errors. The vector of the n random errors in the observed responses is assumed to follow a first-order autoregressive model (AR(1)). The exact D-optimal designs seek the optimal combinations of the design levels as well as the optimal run orders, so that the determinant of the information matrix of BLUEs for the unknown parameters is maximized. Bora-Senta and Moyssiadis (1999) gave some conjectures about the exact D-optimal designs based on their experience of several exhaustive searches. In this paper their conjectures are partially proved to be true.Received: January 2003 / Accepted: October 2003Partially supported by the National Science Council of Taiwan, R.O.C. under grant NSC 91-2115-M-008-013.Supported in part by the National Science Council of Taiwan, R.O.C. under grant NSC 89-2118-M-110-003. 相似文献
78.
面向电子商务的现代物流管理信息系统的开发 总被引:2,自引:0,他引:2
结合现代物流技术发展趋势,分析探讨了面向电子商务的现代物流管理信息系统的开发技术路线,关键技术内容,功能体系结构设计及分层逻辑模型设计。 相似文献
79.
中小制造企业协同物流模式及其实现途径 总被引:3,自引:2,他引:3
阐述了协同物流的概念与意义,从其基本模式应用比较优势分析入手,提出一体化物流是中小制造企业构筑协同物流的切入点,同时对协同物流实现的具体途径及亟待注意和急需解决的问题也进行了探讨。 相似文献
80.
我国建筑业全生命周期价值链的应用研究 总被引:4,自引:0,他引:4
长期以来,我国建筑业缺乏对全生命周期价值链管理的整体关注,价值链中各个环节相互脱节,没有共同的价值目标,导致了成本较高的现状。本文旨在通过对建筑业全生命周期价值链的分析,拓展我国建筑业成本管理的关注面。并通过工程总承包模式对现有价值链进行优化,把勘察、设计、施工归集在同一个主体下管理,提高用户对建筑产品的满意度,降低产品成本。 相似文献