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排序方式: 共有885条查询结果,搜索用时 15 毫秒
81.
Immo Trinks Phillip Clegg Ken McCaffrey Richard Jones Richard Hobbs Bob Holdsworth Nick Holliman Jonny Imber Steve Waggott Robert Wilson 《International Review of Economics》2005,10(1):13-19
Laser scanning is a very efficient way to generate realistic, high-resolution digital models of 3-D geological outcrops. This paper discusses the methodologies involved in the creation and analysis of virtual outcrops, based on laser scanner data. The visualisation of the laser scanner data as a photorealistic 3-D object is described. Geological features picked out on the virtual outcrop (e.g. fractures, faults or bedding planes) can be extrapolated outward, into space, and inward, into the subsurface, using tension surfaces. 相似文献
82.
Lam Thanh Ha 《广西金融研究》2008,(1):37-41
本文首先对贸易自由化问题进行了界定,然后就泛北部湾地区开展贸易自由化的各项因素进行了论述。一方面,笔者列举了一系列利于在该区域实现贸易自由化的潜在性因素;另一方面,笔者也注意到区域内各国基础设施条件和经济基础差异较大,贸易商品的层次不同、贸易间的关联度差以及各国在涉及国家经济安全,产业体系建立等贸易自由化政策方面所表现的不同倾向又为泛北部湾区域贸易自由化进程增添了障碍。本文在深入分析这些因素的基础上,从产业层次角度提出实现区域内贸易自由化的进程模式和方法。 相似文献
83.
Multinational Activity and CEO Compensation: Preliminary Evidence from Large UK Firms. — Since the early 1980s the rate of
growth in executive remuneration has consistently outpaced that of average earnings. This phenomenon has been widely assumed
to be part of an internationalization of the executive labor market. This paper starts from the premise that the multinational
enterprise will be a major agent in such a market and presents some preliminary tests for the impact of multinational activity
in general, and specific regional effects in particular, on CEO remuneration using a sample of large UK firms. Surprisingly,
we find no evidence to support our conjecture that CEO pay will be positively related to firm involvement in the United States.
However, multinational activity does generate a significant premium over purely domestic activity. 相似文献
84.
Steve Fuller 《Futures》1997,29(6):483-503
The secularization of science, by analogy with the separation of Church and state, would divest all science funding from the state, except where it bears directly on matters of public policy. I argue for an intensification of this tendency, which is already occurring across the Euro-American world. I then explore the policy implications in some detail, including historical precedents in New Deal attitudes toward the role of science in public policy. I begin by reviewing the secularization of Christendom, which turns out to be intimately tied with the social ascendency of the natural sciences. I then explore more recent conditions that contribute to the secularization of science itself, during which I claim that the Cold War's scaling up of state support for scientific research should be regarded as a historical aberration that we are currently getting over. However, I still reserve a very strong role for the state in the public distribution of already existing knowledge, the primary vehicle for which will remain the university. 相似文献
85.
86.
Garth Holloway Charles Nicholson Chris Delgado Steve Staal Simeon Ehui 《Agricultural Economics》2004,31(1):97-106
Fixed transactions costs that prohibit exchange engender bias in supply analysis due to censoring of the sample observations. The associated bias in conventional regression procedures applied to censored data and the construction of robust methods for mitigating bias have been preoccupations of applied economists since Tobin [Econometrica 26 (1958) 24]. This literature assumes that the true point of censoring in the data is zero and, when this is not the case, imparts a bias to parameter estimates of the censored regression model. We conjecture that this bias can be significant; affirm this from experiments; and suggest techniques for mitigating this bias using Bayesian procedures. The bias-mitigating procedures are based on modifications of the key step that facilitates Bayesian estimation of the censored regression model; are easy to implement; work well in both small and large samples; and lead to significantly improved inference in the censored regression model. These findings are important in light of the widespread use of the zero-censored Tobit regression and we investigate their consequences using data on milk-market participation in the Ethiopian highlands. 相似文献
87.
Steve R. Harrison John W. Longworth 《The Australian journal of agricultural and resource economics》1977,21(2):80-96
The Brigalow Scheme has been one of Australia's largest dryland development projects since World War II. Large sums of private and public capital have been invested to create 247 new farm firms. Planning the development of these new properties is a complex task. A simulation model of the typical block in Area III of the Brigalow Scheme has been constructed and used to evaluate experimentally the financial performance of various growth strategies. Use of a conjugate directions search procedure with this model has allowed growth strategies to be identified which maximize net worth subject to a low risk of financial failure. These strategies are compared with development programmes which have already been implemented. Significant conclusions are reached both with respect to future management strategies and future land development policies. Methodological advances incorporated in the simulation model are also discussed. 相似文献
88.
Levin S 《Healthcare financial management》2011,65(9):90-4, 96
For hospitals, balance after insurance (BAI) refers to revenue from uninsured patients and from patients with patient responsibility after insurance. BAI is a rapidly growing share of hospital revenue as a result of substitution from high-deductible commercial insurance plans-revenue that tends to convert to cash relatively easily and quickly-meaning that an increasing share of hospital cash flow is now due from the patient. Hospitals should make sure that their self-pay patients receive excellent customer service: It not only improves the likelihood of a greater yield, but also-perhaps more important-helps ensure customer loyalty and willingness to recommend the facility to others. 相似文献
89.
Two distinguished Morgan Stanley “alumni” discuss how their management of risk and uncertainty has not only preserved but increased the profitability of their businesses. In both cases—one involving a commodities trading operation and the other a long‐short hedge fund—the key has been to find cost‐effective ways to “cut off the left tails” of the distribution by avoiding naked long or short positions and creating option‐like payoffs with limited downside. In the case of the hedge fund, the combination of longs and shorts with the use of other risk‐reducing strategies has enabled the fund's managers to produce twice the market's returns with only half the volatility (and only one losing year) during the 18‐year life of the fund. In the case of the commodities trading operation, the strategy is described as combining ownership of physical assets with the use of option pricing models to create what amount to “long gamma positions in the asset” that “produce payoffs regardless of whether the asset goes up or down in value.” 相似文献
90.
The role of strategic enterprise risk management and organizational flexibility in easing new regulatory compliance 总被引:1,自引:0,他引:1
Vicky Arnold Tanya Benford Joseph Canada Steve G. Sutton 《International Journal of Accounting Information Systems》2011,12(3):171-188
The impact of new regulatory requirements for internal control reporting on an organization's ability to maintain strategic flexibility has been debated in the popular press extensively. This paper tests theory from strategic management to examine the relationship between an organizations' pre-regulatory strength of strategic enterprise risk management (ERM) processes and their ability to react to new regulatory mandates. In the context of companies' adoption of SOX Section 404 internal control reporting requirements, we examine organizations' pre-SOX ERM processes, ERM supporting technologies, and organizational flexibility in order to better understand the antecedents to the difficulty encountered in meeting SOX 404 requirements. Using responses from 113 Chief Audit Executives (CAEs), we find that organizations with stronger strategic ERM processes and flexible organizational structures already in place incurred little difficulty in implementing SOX 404 mandates. On the other hand, organizations using weaker ERM processes, which focused on control compliance, experienced more difficulty. These findings provide key insights into the importance of strategic ERM in effectively complying with new regulatory controls in volatile environments. 相似文献