桉树工业人工林林分水平可持续经营指标体系研究

通过对国内外林业可持续发展和森林可持续经营指标体系的总结归纳和分析研究,结合广西桉树工业人工林林分水平经营的实际,构建了一套3个层次23个指标组成的林分级可持续经营指标体系。利用研建的可持续经营指标体系对广西东门林场桉树工业人工林林分水平经营状况进行了评价,其可持续经营综合指数为0.892,总体趋势处可持续经营状态,评价结果与东门林场桉树工业人工林经营实际相符,验证了本体系的科学性和可操作性。     

Efficiency and Technical Change in the Philippine Rice Sector: A Malmquist Total Factor Productivity Analysis

Regional differences in total factor productivity, efficiency, and technological change in the Philippine rice sector are examined for the post-Green Revolution era. Malmquist productivity indices were constructed for 1971–90 and were decomposed into efficiency and technological change. The average annual Malmquist productivity growth was only slightly positive. Productivity growth was negative during the early 1970s, and was followed by a period of positive growth. Growth was negative again in the late 1980s. The period of positive growth coincided with the introduction of new rice varieties while the declines are likely to have been caused by intensification of rice production in lowland farming systems. Certain regions such as Central Luzon, Western Visayas, and Southern and Northern Mindanao had higher rates of technological change than others. This may be due to higher investments in infrastructure and education, increased adoption of tractors, and a better agroclimatic environment.     

武汉市江夏区土地利用程度的垂直分异

利用DEM和中国资源环境数据库中该区域的土地利用空间数据库进行重叠分析，得到武汉市江夏区不同高程下的土地利用信息，以高差10m为指标划分为若干高程带经统计分析得到各带的土地利用结构数据，以增加分级的形式，利用所建县级小尺度土地利用研究的土地利用程度扩展指数，对土地利用程度的垂直分异规律进行了定量研究，结果表明，在40m之上，该指数随着海拔高度自然对数的增加而下降，而且与海拔高度的相关程度很高，在40m以下，却随着海拔高度的增加而增加，作者认为水分过多是土地利用的最大限制因素，该区的土地利用存在着一个最适宜海拔高度，即40m左右。     

关于建立地勘单位经营者评价指标体系的思考

文章认为 ,造就具有企业家精神的地勘单位经营者 ,涉及选拔经营者和建立对其激励、约束机制两个方面。这两个方面离不开对经营者的评价指标和评价方法。文章就建立评价指标体系应遵循的全面性、科学性、注重实绩、可比性四项原则进行了论述 ,提出评价指标体系应包括潜质评价指标、显质评价指标、业绩评价指标 ,并分别就其评价方法进行了论述。     

土地利用规划环境影响评价若干问题探讨

研究目的 :探讨土地利用规划环境影响评价有关问题 ,为土地利用规划修编提供基础。研究方法 :综合分析法。研究结果 :提出了土地利用规划环境影响评价的内涵、基本工作程序、指标体系与评价方法。研究结论 :应深入开展土地利用规划环境影响评价研究 ,尽快出台相关技术规程。     

耕地撂荒程度描述、可持续性评判指标体系及其模式

研究目的:确定用于描述耕地撂荒程度的指标,筛选能评判耕地撂荒可持续性的指标项目,划分耕地撂荒现象的可持续模式。研究方法:指标演绎法。研究结果:确定了能描述耕地撂荒程度的29个指标项目,给出了各描述项目的可能来源;筛选出开展耕地撂荒可持续评判的4大类97个评判项目,并对各项目的赋值情况作了详细说明;结合各类指标达到可持续标准的情况,将耕地撂荒现象分成5种可持续模式。研究结论:耕地撂荒程度及其可持续性问题完全可以通过构建指标体系定量解决。     

构建以价值创造为导向的商业银行内部审计体系的初步设想

商业银行内部审计的重点和主要目的应随商业银行发展战略及商业银行经营管理模式的转换而转换。本文从落实商业银行可持续发展战略及保障商业银行内部治理目标实现等角度出发,提出未来我国商业银行内部审计的重点应是商业银行及其分支机构的价值创造力,内部审计的目的也在于促进商业银行及其分支机构不断提升自身的价值创造力。本文建议借鉴融合国际上计量价值创造力的主要方法,构建以价值创造为导向的涵盖财务、风险管理、客户、内部流程及员工学习成长等五个方面审计维度的商业银行内部审计体系。本文还就各审计维度的评价指标进行设计,并建议采用熵值赋权法进行指标赋权。     

Fundamentals,Misvaluation, and Business Investment

Does stock market misvaluation affect business fixed investment? To answer this question, we provide evidence based on U.S. firm‐level panel data. We examine the orthogonality conditions for the investment Q and Euler equations, and our qualitative tests reject the null hypothesis that investment is unaffected by misvaluation (this result is not driven exclusively by the late 1990s). To measure the quantitative effects on investment, we introduce a measure of misvaluation into standard investment equations. Our estimates imply that a one‐standard‐deviation increase in misvaluation increases investment between 20% and 60% relative to the mean level of investment in the sample.     

U.S. and Latin American stock market linkages

This paper examines to what extent the Latin American equity markets of Argentina, Brazil, Chile and Mexico have become more integrated with the US equity market. We empirically measure integration by finding the dynamic conditional correlation (DCC) between each market and that in the U.S. using a DCC multivariate GARCH model. We then track how these correlations evolve over time using a smooth transition model which not only shows when greater integration first occurred but also how long it took these correlations to transition to their new levels. Our sample period stretches from December 30th, 1988 to March 26th, 2004. Results show an increase in the degree of co-movement between these countries’ equity returns and those in the U.S. although the magnitude and speed of these increases greatly varies across these four countries.     

Can Commercialization Improve the Performance of Stock Exchanges Even without Corporatization?

We examine the performance of mutual, demutualized, and publicly listed exchanges and find evidence of improved performance along the exchange governance continuum, with publicly traded exchanges exhibiting better operating performance than demutualized exchanges. However, our robustness test, focusing on the corporatized exchanges that have gone through the three phases of the governance structure, shows that the listed exchanges do not exhibit evidence of incremental gains in efficiency and profitability beyond what they achieved at the demutualization phase. We conclude that commercialization provides sufficient freedom for exchanges to exploit monopoly rents before going public, while corporatization brings about proper valuation of the exchanges’ franchise.