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Regulatory authorities demand insurance companies control their risk exposure by imposing stringent risk management policies. This article investigates the optimal risk management strategy of an insurance company subject to regulatory constraints. We provide optimal reinsurance contracts under different tail risk measures and analyze the impact of regulators' requirements on risk sharing in the reinsurance market. Our results underpin adverse incentives for the insurer when compulsory Value-at-Risk risk management requirements are imposed. But economic effects may vary when regulatory constraints involve other risk measures. Finally, we compare the obtained optimal designs to existing reinsurance contracts and alternative risk transfer mechanisms on the capital market. 相似文献
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Bernard C. Williams 《Accounting Education: An International Journal》2013,22(4):343-346
The recent establishment of the £20 million Teaching and Learning Technology Programme by the Universities' Funding Council in the UK provides one of the largest boosts for IT and education since PLATO (in the USA) and NDPCAL (in the UK). This note describes the BITE project which is part of the above programme and highlights some of the problems that have affected both the development and evaluation of accounting courseware in the past. By using a strong interdisciplinary team of software, educational and subject specialists, the project hopes to overcome some or all of these problems. 相似文献
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Bernard Burnes 《Journal of Management Studies》2004,41(6):977-1002
abstract The work of Kurt Lewin dominated the theory and practice of change management for over 40 years. However, in the past 20 years, Lewin's approach to change, particularly the 3-Step model, has attracted major criticisms. The key ones are that his work: assumed organizations operate in a stable state; was only suitable for small-scale change projects; ignored organizational power and politics; and was top-down and management-driven. This article seeks to re-appraise Lewin's work and challenge the validity of these views. It begins by describing Lewin's background and beliefs, especially his commitment to resolving social conflict. The article then moves on to examine the main elements of his Planned approach to change: Field Theory; Group Dynamics; Action Research; and the 3-Step model. This is followed by a brief summary of the major developments in the field of organizational change since Lewin's death which, in turn, leads to an examination of the main criticisms levelled at Lewin's work. The article concludes by arguing that rather than being outdated or redundant, Lewin's approach is still relevant to the modern world. 相似文献
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Although there has been significant interest among researchers in audit-quality-threatening behaviours (QTBs), the decision process through which staff auditors engage in those behaviours has received relatively little attention. It seems likely that the ethical intensity of the behaviours perceived by auditors may play an important role in that process; to date, this has not been tested. This study examines the mediating role of perceived ethical intensity in the relationship between perceived ethical culture of the firm and the auditors' ethical evaluation of, and intention to engage in, three different forms of QTBs. A multi-item measure of ethical intensity is developed and the findings provide the first empirical evidence of a direct relationship between perceived ethical intensity and ethical decision-making regarding QTBs. Moreover, the findings show that perceived ethical intensity fully mediates the relationship between perceived ethical culture and ethical decision-making. Implications of the findings for accounting firms and for researchers are discussed and areas for future research on the mediating role of perceived ethical intensity are suggested in the paper. 相似文献
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Virtual schools have already made their appearance. This paper examines the factors which promote or slow the spread of virtual schools. Technological change, economic rationalism, and the suitability of conventional schools for the information age are identified as reasons for the continued growth of virtual schools. Conversely, the identification of an appropriate pedagogy, the lack of required teaching skills, concerns for the reshaping of human values, socialisation, and the continued need for student supervision are seen as reasons why virtual schools will not rapidly overtake conventional ones. It is concluded that virtual schools will continue to increase in the 21st century, and that appropriate planning must be made for their impact. 相似文献
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Bernard Bollen Michael Skully David Tripe Xiaoting Wei 《International Review of Finance》2015,15(1):89-111
This paper examines the global financial crisis (GFC) and its impact on Australian banking risk. An augmented market model is developed to identify changes in listed Australian bank systematic risk in relation to three key events: the GFC's start in August 2007, the market downturn in Australian and global share markets in January 2008, and the announcement of Australia's Deposit and Wholesale Funding Guarantee (DWFG) scheme on 12 October 2008. The study also examines changes in bank systemic risk during these event periods. The Australian market offers a unique opportunity to observe the impact of the introduction of the DWFG in that it lacked any explicit deposit insurance prior to the crisis. Initially, the crisis period had little impact on bank systematic risk while bank systemic risk increased considerably. The share market downturn caused a marked increase in both systematic and systemic risks for Australia's major internationally connected banks followed by a reduction in both systematic and systemic risks with the introduction of the guarantee scheme for all Australian banks. 相似文献
30.
We demonstrate the important consequence of one particular type of voter behavior: the “differentiation” (“no-quibbling”) constraint that alternatives too similar to the alternative which they might replace will not be considered. We find that imposition of a sufficient differentiation norm leads to stable outcomes of decision making in a spatial context. We also briefly consider the potential effects of other possible constraints on feasible choices, especially as these might synergistically interact with choices based on “no-quibbling.” 相似文献