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81.
Estimating the basis risk of index-linked hedging strategies using multivariate extreme value theory
This paper studies the empirical quantification of basis risk in the context of index-linked hedging strategies. Basis risk refers to the risk of non-payment of the index-linked instrument, given that the hedger’s loss exceeds some critical level. The quantification of such risk measures from empirical data can be done in various ways and requires special consideration of the dependence structure between the index and the company’s losses as well as the estimation of the tails of a distribution. In this context, previous literature shows that extreme value theory can be superior to traditional methods with respect to estimating quantile risk measures such as the value at risk. Thus, the aim of this paper is to conduct an empirical analysis of basis risk using multivariate extreme value theory and extreme value copulas to estimate the underlying risk processes and their dependence structure in order to obtain a more adequate picture of basis risk associated with index-linked hedging strategies. Our results emphasize that the application of extreme value theory leads to better fits of the tails of the marginal distributions in the considered stock price sample and that traditional methods in regard to estimating marginal distributions tend to overestimate basis risk, while basis risk can in contrast be higher when taking into account extreme value copulas. 相似文献
82.
Maïté Brunel Céline Launay Valérie Le Floch Jacques Py Nadine Cascino Méliné Zorapapillan 《Journal of Risk Research》2013,16(10):1248-1263
The use of nanotechnology (devices/materials composed of parts less than 10 nanometres) in the development of new products is rapidly expanding. Industrialists and decision-makers consider nanotechnology to be the next industrial revolution, but fear they risk the same resistance to nanotechnology that their counterparts experienced with genetically modified organisms (GMOs). Although risk perception studies have shown that perceived risk of GMOs is quite high compared to that related to nanotechnology, no study to date has explored a potential direct social representation link between the two. The present study aims to fill that gap by comparing the social representations of nanotechnology and GMOs among a population of non-experts. This study was conducted with 282 students in human and social sciences and natural sciences. Using a free association task with the inductive words ‘nanotechnology’ and ‘GMO (genetically modified organism)’, we identified the existing social representations of the two based on a structural approach. While the representation of GMOs is objectified in the field of agriculture, objectification for nanotechnology seems to still be lacking, although its possible objectification likely lies in computing and robotics. Our calculation of the rate of similarity of associative words with nanotechnology and GMOs indicated no present, direct link between their social representations. We discuss the possible evolution of the social representation of nanotechnology over time. 相似文献
83.
Josip Kotlar Alfredo De Massis Federico Frattini Nadine Kammerlander 《Journal of Product Innovation Management》2020,37(1):2-25
We present a theoretical framework of family ownership as a driver of the heterogeneity (between-firm differences) and variability (within-firm differences over time) of absorptive capacity (AC). Building on our analysis of the multiple dimensions of family ownership influence on firm behavior and the mechanisms that can shape the firm willingness and ability to acquire, assimilate, transform, and exploit external knowledge, we introduce the concepts of motivation gap and implementation gap to explain why, paradoxically, family ownership can cause both upward and downward divergences in AC. Our contingency framework identifies conditions under which the positive and negative effects of family ownership on AC are likely to prevail and adds a temporal perspective suggesting that AC varies depending on the duration of family ownership and ownership succession. 相似文献
84.
Yuandi Wang Wim Vanhaverbeke Nadine Roijakkers 《Technological Forecasting and Social Change》2012,79(3):419-428
This paper investigates the impact of open innovation on national systems of innovation. The open innovation concept has become widely established among scholars and practitioners. However, an overview of its impact on national innovation systems is still lacking. Given that the innovating firm is at the core of national innovation systems, a better understanding of shifting innovation strategies at the firm level is of fundamental importance to the actions of policy-makers within the national innovation systems framework. Based on the main analytical approaches of national innovation systems and the current state of open innovation research, we argue that open innovation practices have at least three critical effects on national systems of innovation: (a) they reinforce its importance; (b) they improve its effectiveness; and (c) they diversify its networks. 相似文献
85.
We present empirical evidence suggesting that the effect of the host country corporate tax rate on the debt ratio of multinational affiliates in developing economies is positive and larger than the same effect for affiliates in developed economies. 相似文献
86.
Audit demand is generally considered to be a direct reflection of the level of agency conflicts. This study examines the CEO's value perception towards auditing as additional driver for both auditor reputation demand (appointing a Big 4 auditor or not) and audit effort demand in private firms. Examining the CEO's value perception in a multidimensional way, the regression results indicate that the CEO's functional value perception towards auditing positively affects the demand for audit effort, while the CEO's social value perception towards auditing negatively affects the demand for audit effort but positively affects the demand for auditor reputation. 相似文献
87.
Universal life policies are the most popular insurance contract design in the United States. They provide either a level death benefit paying a fixed face amount or an increasing death benefit paying a fixed benefit plus the available cash value, and both types include the option to switch from one type to the other. In this article, we investigate the fact that—unlike a switch from level to increasing—a switch from an increasing death benefit to a level death benefit requires neither fees nor evidence of insurability. To assess the impact of the death benefit switch option, we develop a model framework of an increasing universal life insurance policy embedding this option. Consideration of heterogeneity with respect to mortality via a stochastic differential mortality factor enables an investigation of adverse exercise behavior. In a comprehensive simulation analysis, we quantify the net present value of the option from the insurer's perspective using risk‐neutral valuation under stochastic interest rates assuming empirical exercise probabilities. Based on our results, we provide policy recommendations for life insurers. 相似文献
88.
Jeremy Goldberg Alastair Birtles Nadine Marshall Matt Curnock Peter Case Roger Beeden 《Journal of Sustainable Tourism》2018,26(2):238-256
The projected decline in reef health worldwide will have huge repercussions on millions of stakeholders depending upon coral reefs. Urgent action is needed to sustain coral reefs into the future. Tourism operators are recognised as stewards of Australia's Great Barrier Reef (GBR), a World Heritage Site, and are taking action on climate change, through their business practices and by engaging guests with interpretation and targeted messages. Yet little is known about how tourism operators along the GBR perceive climate change, or what actions they believe are most effective to address climate change impacts on the GBR. We describe a set of semi-structured interviews with 19 tourism operators in the Whitsundays and Cairns, the most popular tourism destinations along the GBR. Using a thematic analysis to code and report patterns within the data, we show tourism operators recognise the threat of climate change and strongly support increased action to address it. Most respondents are hesitant to engage their guests about climate change despite acknowledging an interest, expertise, and responsibility to do so. Understanding the barriers preventing tourism operators from addressing climate change is an important step towards helping them, and the tourists visiting the region, take action to protect the GBR. 相似文献
89.
Nadine Turpin Pierre Dupraz Claudine Thenail Alexandre Joannon Jacques Baudry Serge Herviou Peter Verburg 《Land use policy》2009
This paper analyses the potential effect of local agro-environmental policies in promoting multifunctionality in a rural landscape, with a two-scale modelling framework: a regional scale for food demand and a local scale for the forces driving land use. The framework has been designed in four steps. First, the relative influence of the driving factors on the current land use pattern has been analysed. Two scenarios are designed that vary the external demand for the total land use, and alter more or less quickly the specific location factors that drive the landscape pattern. The first scenario considers trends in the external and internal driving forces. The second relies both on totally decoupled farm subsidies and unregulated housing growth. In both scenarios a local agro-environmental policy is introduced and we compare its consequences with the previous scenario's landscape pattern. The third step consists of a modelling exercise that analyses the likely outcome of each scenario on the development of land use patterns on a local scale. Last, these landscape patterns have been translated into ecological indexes that assess the effect of the policy options on the multifunctionality of the local landscape. 相似文献
90.
Business ethics should be taught in business schools as an integrated part of core curricula in MBA programs with a dual focus on both analytical frameworks and their applications to the business disciplines. To overcome the reluctance of many faculty to handle ethical issues, a critical mass of faculty must develop suitable materials, educate their peers in its use, and take the lead by introducing it in their own courses and on senior management programs.Jeffrey Gandz is an Associate Professor in the School of Business Administration, The University of Western Ontario. Following ten years of management experience in Europe and North America, Professor Gandz completed his Ph.D. at York University. He is active as a mediator and arbitrator in labour disputes, teaches Organizational Behavior, Human Resource Management, and Labour Relations at Western, and has published widely in those fields.Nadine Hayes is a Ph.D. candidate at The University of Western Ontario and a graduate of Western's Honors Business Administration Program. She has written several case studies in the field of Business Ethics and has worked with Jeffrey Gandz in developing the School's approach to the teaching of business ethics. 相似文献