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91.
James A. Roumasset 《Resource and Energy Economics》2012,34(1):112-128
Optimal sequencing of resource extraction is typically studied for nonrenewable resources. We provide conditions for optimal use of multiple sources of a renewable resource and characterize the resulting extraction sequence, resource scarcity values, and (single) efficiency price path for two groundwater aquifers and an abundant alternative resource. Even with one demand, the optimal sequence depends on the differential opportunity costs of the two renewables. A numerical simulation for the South O‘ahu aquifer system, which also allows for different distribution costs, illustrates the case of using the “leakier” aquifer first and then switching to simultaneous use of both resources. The welfare gain from specialization relative to independent management is $4.7 billion. 相似文献
92.
93.
Sickness Presenteeism, Sickness Absenteeism, and Health Following Restructuring in a Public Service Organization 总被引:1,自引:0,他引:1
Natasha Caverley J. Barton Cunningham James N. MacGregor 《Journal of Management Studies》2007,44(2):304-319
abstract This study examined the relationship between sickness presenteeism, sickness absenteeism, organizational outcomes and employee health. In particular, we wanted to investigate to what degree employees were substituting sickness presence for sickness absence. Three hypotheses were tested to formalize this 'substitution proposition'. We surveyed a Canadian public service organization which was involved in a large scale downsizing initiative. For this study, 237 Personnel Corporation (pseudonym used) employees responded to the survey, representing a 66 per cent response rate. Survey results indicated that, while the workforce was of average health, sickness absenteeism was less than half that of the national average. The difference could be accounted for by sickness presenteeism – the average number of days employees attended work while ill or injured was greater than the number of days of sickness absence. The pattern of results supported the notion that employees were substituting presenteeism for absenteeism. The frequency and type of self-reported health problems were highly similar for presenteeism and absenteeism. Work factors (e.g. job security, supervisor support and job satisfaction) tested were significantly correlated with presenteeism. Presenteeism appears to be a stronger predictor of health than absenteeism, suggesting that efforts to improve workplace health may have a more immediate impact on presenteeism than on absenteeism. 相似文献
94.
abstract Using a sample of 89 mid-level managers in a US based urban hospital, this study investigates relationships among three measures of network centrality and managers' divergent strategic activity. While prior work has demonstrated a relationship between managers' boundary-spanning responsibilities and strategic activity, inadequate attention has been paid to managers' internal network position. Drawing from established theory, we consider expected network flows associated with three elements of the strategic renewal process. From this, we hypothesize and test relationships among managers' divergent activity and three measures of network centrality. Our findings suggest specific relationships between alternative forms of network centrality and particular elements of the strategic renewal process. Consistent with existing research, the findings also show boundary-spanning managers to be more strategically active than their non-boundary-spanning counterparts. 相似文献
95.
A bstract . I begin this chapter with an account of what is deserved in human ethics, an ethics that assumes without argument that only humans, or rational agents, count morally. I then take up the question of whether nonhuman living beings are also deserving, and I answer it in the affirmative. Having established that all individual living beings, as well as ecosystems, are deserving, I go on to establish what it is that they deserve and then compare the requirements of global justice when only humans are taken into account with the requirements of global justice when all living beings are taken into account. I argue that the more adequate global justice that takes into account all living beings imposes some additional obligations on us that are absent from a less defensible human-centered global justice, but not as many as one might initially think. 相似文献
96.
An Empirical Look at Software Patents 总被引:4,自引:1,他引:4
Software patents have grown rapidly in number and now comprise 15% of all patents. They are acquired primarily by large manufacturing firms in industries known for strategic patenting; only 5% belong to software publishers. The very large increase in software patent propensity over time is not adequately explained by changes in R&D investments, employment of computer programmers, or productivity growth. The residual increase in software patent propensity is consistent with a sizeable increase in the cost effectiveness of software patents during the 1990s, perhaps arising from changes in the application of patent law to computer software. 相似文献
97.
This empirical note extends the recent work by Holmes (2006) in examining the long-run relationship between private and public
savings in the U.S. over the post-World War II period. Standard Engle-Granger cointegration tests fail to reject the null
hypothesis of no cointegration; however, once allowance is made for an endogenous break in the cointegrating relationship,
the weak form of the Ricardian equivalence proposition is supported. 相似文献
98.
James W. Scott 《Geopolitics》2020,25(3):658-677
ABSTRACT This essay contextualises Hungarian antipolitics of Europe as an element of radical conservative nation-building and as a reflection of the strategic use of borders. Two concrete examples of border politics will be elaborated that document shifts from EU-conformity to EU-contestation and the increasing political significance of culturalist arguments. These cases, moreover, are exemplary of the dual nature of then nationalist-conservative agenda which involves: 1) the implementation of an ethnopolitical and thus extraterritorial, de-bordered notion of nation and 2) the unilateral securitisation of Hungary’s borders, for example with Serbia, in a self-proclaimed defence of European integrity. The research that informs this essay is based on a review of media sources, academic and policy-focused literature. The essay begins with a discussion of links between Hungarian euroscepticism and the radical conservative nation-building project and continues with an analysis of post-1989 border politics with regards to the areas mentioned above. Considerable attention will be devoted to the Hungarian government’s politics of borders and contestations of European Union within the context of the so-called refugee crisis and wider debates regarding immigration and asylum. 相似文献
99.
James R. Barth Philip F. Bartholomew Peter J. Elmer 《Journal of Economics and Finance》1997,21(2):3-11
This paper examines the 205 insolvent thrifts that were resolved in 1988 and assesses the cost savings obtained by selling
179 of the institutions through assisted acquisitions rather than liquidating them. It is hypothesized that the cost savings
were determined by factors related both to the future viability of the acquired institution and the particulars of the deal
arranged by the Federal Home Loan Bank Board and the Federal Savings and Loan Insurance Corporation. The added value by selling
a thrift is determined primarily by the level of core deposits obtained by the acquired thrift. However, the branch structure
and purchased mortgage-servicing rights should also add franchise value to the firm. In addition to these factors, the analysis
accounts for the tax benefits and other regulator forbearances associated with the deals. Other characteristics of the deals
are also considered. It is found that core deposits, tax benefits, purchased mortgage-servicing rights, average branch size,
and type of acquirer, as well as some other factors, were significant determinants of the cost savings obtained through selling
an institution rather than liquidating it. 相似文献
100.
There is an ongoing debate over the impact of corporate pro-environment actions and strategies (reflected, for example, in pollution prevention and emission reductions, product re-design, materials stewardship) on corporate financial performance in US corporations today. A review of the existing literature in this area yields no consistent pattern of relationships between corporate environmental proactivism and financial performance when historical corporate accounting performance and stock market measures of performance are used. We revisit this relationship using a novel measure of firm performance: security analyst earnings forecasts. Specifically, we demonstrate a significant, negative relationship between environmental proactivism (using Toxic Release Inventory data) and industry analyst 1- and 5-year earnings-per-share performance forecasts for a sample of 523 US firms in 1992. We discuss the implications of these findings and provide suggestions for future research. © 1997 John Wiley & Sons, Ltd and ERP Environment. 相似文献