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161.
徐州矿务集团三河尖煤矿是国内受冲击矿压危害最为严重的矿井之一,自1991年发生第一次冲击地压以来,已先后发生各类冲击地压事故31起,对冲击地压的治理已成为三河尖煤矿安全管理的重要内容。7439工作面使用的KJ550煤矿冲击地压监测系统,大大提高了三河尖煤矿冲击矿压预测预报准确性和冲击矿压防治水平,实现了安全回采,具有巨大的潜在社会效益和经济效益。 相似文献
162.
DUAN Yun ZHANG Jian-ying LIU Hai-sheng 《美中经济评论(英文版)》2007,6(4):10-15,27
In the process of world economic integration nowadays, the contribution rate of knowledge centering on technology to the economic growth has risen to 80%-90% in some developed countries, and technology has become a core factor deciding the competitiveness of a country or a region. Whether the economy can inspire the technical worker or the owner of a technology will become a key factor to success or failure. The existence of distribution according to technology can fully mobilize enthusiasm of the owners of technical elements, optimize allocation of technical elements, and thereby enhance the competitiveness of an enterprise, a region, or a country. In the case of Solow model, non-reflection of technology progress and reflection of technology progress caused by distribution according to technology have enhanced both the growth rate of national income'and the growth rate of national income per capita. As a new variable to correct Solow model, the existing of distribution according to technology has laid solid macro-economic theory basis for its own existing. 相似文献
163.
This study reveals the economic impact of seaports on regions in Korea. Econometrics analysis employing an augmented Solow model is conducted based on the panel data covering all the regions of Korea over the period 2000–2013. The econometrics analysis shows that cargo ports without sufficient throughput obstruct regional economic growth, whilst cargo ports contribute to regional economic growth only when they have sufficient throughput. Furthermore, the result indicates that container port activities positively affect regional economic growth, whilst port investment indirectly leads to economic growth. This study contributes to the better understanding of the role of ports in Korean economies. 相似文献
164.
Ming-Yu Liu 《期货市场杂志》2019,39(4):499-521
This paper provides an alternative method for enhancing momentum profits by combining residual returns and option-implied information. The results show that the main benefit of applying residual returns to construct momentum portfolios is generating stable returns. Additionally, the incorporation of implied volatility (IV) spread or IV skew into a residual momentum portfolio is found to significantly raise profits, particularly during bad times and high-sentiment periods. This is because IV spread and IV skew can dissociate winners/losers with a price underreaction from those with a price overreaction, which suggests that informed traders who perceive price underreactions/overreactions trade in option markets. 相似文献
165.
Quentin Couix 《European Journal of the History of Economic Thought》2019,26(6):1341-1378
AbstractThis paper provides a theoretical and methodological account of an important controversy between neoclassical resource economics and ecological economics from the early 1970s to the end of the 1990s. It shows that the assumption of unbounded resource productivity in the work of Solow and Stiglitz–and the related concepts of substitution and technical progress–rest on a model-based methodology. On the other hand, Georgescu-Roegen’s assumption of thermodynamic limits to production, later revived by Daly, comes from a methodology of interdisciplinary consistency. I conclude that neither side provided a definitive proof of its own claim because both face important conceptual issues. 相似文献
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目前,建立股东价值最大化的管理体系对我国银行业来说具有极强的理论和实践意义.在剩余收益估价模型的改进模型--资产波动法和收入波动法的基础上,提出决定公司价值的三个变量:资产负债表中的净资产、公司未来的业务增长及未来的资本收益率,其中,后两个变量可以影响未来的剩余收益盈利能力,是公司价值的驱动要素.同时,根据银行的具体业务和会计制度特点,找出了银行类企业的内在价值驱动要素,指出一些关键性的经营活动和财务指标,为银行的经营和财务活动指出方向. 相似文献
169.
人力资本控制权与剩余索取权:归属与配置 总被引:4,自引:0,他引:4
人力资本,特别是专业化的人力资本分享企业剩余和企业控制权,既有其必然合理性,又有其现实可能性。只不过,人力资本参与分享的“企业剩余”,能且只能是企业的价值创造部分。谈判能力较强的人力资本群体拥有相对较强的剩余索取权与剩余控制权。给予企业家企业所有权,使企业家的剩余控制权和剩余索取权达到有机的统一,有利于调动其工作积极性和主动性,使企业价值趋向最大化。 相似文献
170.
This paper relaxes two assumptions on the traditional augmented Solow model: strict concavity of production functions and dual capital goods. It generalizes traditional conclusions of the Solow model by demonstrating that neoclassical properties of a production function are sufficient for the existence and global stability of the steady state in the augmented Solow model with multiple capital goods. Moreover, we prove necessity of essentiality of inputs for a neoclassical production function and generalize the golden rule of capital accumulation. 相似文献