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61.
Dilip B. Madan 《Review of Derivatives Research》2009,12(3):213-230
We show that there are two distinct ways to make volatility stochastic that are differentiated by their consequences for skewness.
Most models in the literature have adopted the relatively tractable methodology of using stochastic time changes to engineer
stochastic volatility. Unfortunately, this is also the one that can conflict with the relationship occasionally observed in
markets between volatility and skewness. Research enhancing the tractability of the second approach to stochastic volatility
based on scaling is called for. 相似文献
62.
Zusammenfassung L?hne und Preise in Europa. Ein Test der These von der Vorherrschaft der Bundesrepublik. — Die Autoren prüfen die These, da das Europ?ische W?hrungssystem (EWS) der Bundesrepublik zur Führung bei der Inflationsbek?mpfung verhalf. Dabei werden zwei
Ans?tze verwendet. Bei dem ersten wird die Bedeutung der deutschen Inflationserwartungen für die Erwartungen in anderen EWS-L?ndern
untersucht, beim zweiten die Kointegration zwischen der Inflation in Deutschland und der in anderen EWS-L?ndern. Zur Kontrolle
werden einerseits die Daten aus der Zeit vor Errichtung des EWS verwendet und andererseits die Daten des Vereinigten K?nigreichs,
das am Wechselkursmechanismus des EWS nicht partizipierte. Die Ergebnisse sind zwar in mancher Hinsicht günstig, k?nnen aber
nicht endgültig eine deutsche Führungsrolle im EWS best?tigen. Mit Hilfe der Kointegrationstechniken wird au\erdem gezeigt,
da\ die Kaufkraftparit?t für das EWS nicht kennzeichnend war.
Résumé Les revenus et les prix en Europe: Un test de la thèse de la prédominance allemande. — Cette étude a l’intention de vérifier la thèse que le système monétaire européen (SME) a fait se former la prédominance allemande dans la lutte contre l’inflation. Il y a deux tests. D’abord, on a examiné l’importance des expectations de l’inflation allemande pour les expectations aux autres pays du SME, puis on a examiné la cointégration de l’inflation en RFA avec celle aux autres pays. On emploie deux systèmes de contr?le: les données avant la fondation du SME et les données pour la Grande Bretagne qui n’a pas été membre du SME. Les résultats étant favorables à beaucoup d’autres aspects ne peuvent pas confirmer le r?le prédominant de la RFA dans le SME. En utilisant des techniques de cointégration on a aussi trouvé que la parité du pouvoir d’achat n’a pas caractérisé le SME.
Resumen Salarios y precios en Europa : un test de la tesis del lidemgo alemán. — En este trabajo se examina la tesis que el Sistema Monetario Europeo (SME) constituye un vehículo para el liderazgo alemán en materia de política antiinflacionaria. Se emplean dos enfoques. En uno de ellos se estudia la relevancia de las expectativas inflacionarias en Alemania para las expectativas en otros países miembros del SME, en el otro se examina empirícamente la cointegraci?n entre la inflatión en Alemania y la de otros países del SME. Para ello se utilizan dos controles: datos para el período anterior al SME y datos para el Reino Unido, país no miembro del SME. Los resultados, si bien favorables en relatión a ciertos aspectos, no conf?rman en última instancia la tesis del liderazgo aleman en el SME. Asimismo, se demuestra que, utilizando técnicas de cointegración, el SME no está caracterizado por la paridad del poder de compra.相似文献
63.
The aim of this paper is to examine the impact of US macroeconomic conditions—namely, exchange rate and short-term interest rate—on the stock markets of seven Asian countries (China, India, the Philippines, Malaysia, Singapore, Thailand, and South Korea). We use daily data for the period 2000–2010. We divide the sample into a pre-crisis period (pre-August 2007) and a crisis period (post-August 2007). We find that, in the short-run, the interest rate has a statistically insignificant effect on returns for all countries, except for the Philippines in the crisis period. On the other hand, except for China, regardless of the crisis, depreciation has a statistically significant and negative effect on returns. When the long-run relationship among the variables is considered, for five of the seven countries (India, Malaysia, the Philippines, Singapore, and Thailand), while there is cointegration in the pre-crisis period, in the crisis period there is no such relationship, implying that the financial crisis has actually weakened the link between stock prices and economic fundamentals. 相似文献
64.
This study investigates the considerations that might be made by managers when choosing between mutually exclusive stakeholder expectations and reaching and engaging in a dialogue with them. In addition, the study also examines if there are systematic differences across countries (Italy and the US) in the decision to address the concerns of various stakeholder groups. Data was collected from 244 managers and 72 companies simultaneously in two different national business contexts, Italy and the US. The results of the study provide some evidence that managerial perception of three stakeholder group characteristics – power, legitimacy, and urgency – form a parsimonious group of variables that explain the process of stakeholder prioritization. However, only limited support was found for the relationship between salience accorded to a stakeholder group and engagement efforts directed toward the group. The results of the study also show that the managerial decision as to which of the stakeholder groups’ demands to address will be influenced by society-specific expectations. The significance of this study lies in investigating the stakeholder prioritization and engagement process, as it is being practiced, which, one could argue, would help in developing guidelines for effective stakeholder management that stands a realistic chance of being adapted and followed. 相似文献
65.
Zusammenfassung Die Bestimmungsgründe für interindustrielle Unterschiede im Anteil des firmeninternen Handels. Das Verhalten US-amerikanischer
multinationaler Firmen. — Die Autoren untersuchen die Bestimmungsgründe der interindustriellen Unterschiede im Anteil der
firmeninternen Exporte und Importe am Handel von US-amerikanischen Muttergesellschaften im Jahr {dy1982} für 32 Industriezweige.
Der Intra-Firmen-Handel internalisiert den Handel im Rahmen der multinationalen Unternehmen. Die Untersuchung zeigt, da? es
gro?e Internalisierungsvorteile in forschungs- sowie in humankapital-intensiven Industrien gibt. Der Anteil von firmeninternen
Exporten aus den USA war ebenfalls hoch in Industrien, die einen überdurchschnittlich hohen Aufwand bei der Verkaufsf?rderung
und Markterschlie?ung erfordern. Die Studie deutet auch darauf hin, da? es im Gefolge der US-Umweltvorschriften dazu kommen
kann, da? Industrien in andere L?nder verlagert und von dort firmeninterne Exporte in die USA durchgeführt werden.
Résumé Les facteurs déterminants des variations inter-industrielles dans le partage du commerce intra-entreprise: Le comportement des entreprises multi-nationales américaines. — Cette étude analyse les facteurs déterminants des variations inter-industrielles dans le partage des exportations et importations intra-entreprise dans le commerce des sociétés mères américaines concernant 32 branches industrielles en 1982. Le commerce intra-entreprise intensifie le commerce au sein des entreprises multi-nationales. L’étude démontre que l’avantage du commerce intra-entreprise est très grand dans les branches qui sont caractérisées par la recherche-développement et par une main-d’œuvre très qualifiée. La proportion des exportations intra-entreprise venant des Etats Unis a été aussi élevée dans les industries caractérisées par des dépenses hautes pour la vente et le développement du marché. L’étude indique aussi la possibilité que le lieu de production est déplacé aux autres pays à cause des lois américaines anti-pollution et que les importations intra-entreprise sont la conséquence.
Resumen Las déterminantes de las variaciones interindustriales del comercio intraempresa: el comportamiento de las multinacionales de los EE UU. — En este trabajo se analizan las determinantes de las variaciones interindustriales de las proporciones de exportaciones e importaciones intraempresa en el comercio de casas matrices de los EE UU en al ano {dy1982}, considerando 32 ramas de la industria manufacturera. El comercio intraempresa internaliza el comercio entre las multinacionales. Se muestra que las ventajas derivadas de la internalización son grandes en industrias intensivas en I&D y mano de obra calificada. La proporción de exportaciones intraempresa desde los EE UU también son altas en industrias con importantes gastos en el ámbito de las ventas y en el desarrollo de mercados. También se indica la posibilidad de que empresas de los EE UU tengan que ubicarse en otros países y que dedicarse a las importaciones intraempresa, debido a las leyes contra la contaminación ambiental vigentes en los EEUU.相似文献
66.
Outsourcing of manufacturing to Mexico and China includes costs that are not always considered and benefits that are not always correctly quantified. An analytical model for determining outsourcing costs was developed and results from that model are presented. Using that model, the sensitivity of outsourcing costs to several variables was modeled and analyzed. Guidance is provided regarding factors to consider in an outsourcing decision. 相似文献
67.
Harish Kumar Jeswani Walter Wehrmeyer Yacob Mulugetta 《Business Strategy and the Environment》2008,17(1):46-60
In response to growing consensus among scientists and governments to act fast to avoid dangerous impacts of climate change, many industries have started to prepare for a carbon‐constrained world. However, this response is far from being uniform. Often action is predicated on economic, technological, organizational and institutional drivers and barriers, which vary between countries and across industrial sectors. In order to understand the effectiveness of industry response, it is therefore important to analyse corporate response across different sectors in different countries. Focusing on the nine most energy‐intensive and greenhouse gas (GHG) emitting industrial sectors, this paper compares corporate responses to climate change in Pakistan and the UK. By analysing the divergence of strategies adopted by industries across different sectors in two countries, the paper examines the key factors influencing corporate adoption and implementation of GHG reduction and energy‐efficiency strategies in Pakistan and the UK. Copyright © 2007 John Wiley & Sons, Ltd and ERP Environment. 相似文献
68.
The long-term value proposition of transportation infrastructure investments can be significantly distorted if the short-term effects of spatial externalities on land use patterns, economic expansions, and migration patterns are not properly included in the analysis. Some of these effects occur over a short period of time and soon after the investment materializes, whereas others take longer and follow more steady patterns. In this article, we develop a novel dynamical model of a primal society with constructs that are specifically geared toward transportation infrastructure expansions and investments. The model quantifies the impact of these expansions on some key performance indicators and on the overall utility and production capacity of the society. We argue that traditional analytical models that work on the premises of stationary behavior and a static response of society to changes in infrastructure do not correctly capture these effects. The land use patterns and spatial expansion computed from the model are validated against existing theory on land use. Preliminary results on how to use the model for value proposition analysis are also presented using simple case studies. 相似文献
69.
AbstractThe recent trend suggests that people are more inclined to online hotel reviews to take online hotel booking decisions. The present study argues that when consumers are exposed to online hotel reviews, it draws an impression of the hotel brand in the mind of consumers, resulting in influence their hotel booking intentions. The current study determines the mediation effects of brand image between credible online hotel reviews and consumers’ hotel booking intentions. To ascertain the uni-dimensionality of the scales, the present study executes exploratory factor analysis. The ensure the internal consistency of the variable scales, the study determines Cronbach’s alpha. To measure the mediation effects, the present study performs structural equation modeling bootstrapping method. Data analysis reveals that marketers should look at hedonic brand image, which ultimately influences consumers’ hotel booking intentions. This is a unique study that ascertains the type of brand image that actually mediates between the impact of online hotel reviews and consumers’ hotel booking intentions. In addition, the paper furnishes theoretical background on how people interpret online hotel reviews and its effects. 相似文献
70.
The process of liberalization in developing economies and the increasing competition faced by Small Enterprises raise crucial policy issues on small enterprise development. The policy maker in developing economies like India are faced with the option of supporting small enterprises through steps like reserving certain industries or by developing their ability to compete in niche markets. Enterprise level decisions are also critical for survival of these organisations. Selecting from these options require an understanding of the advantages that small enterprises have over the large enterprises. The advantage of flexibility and responsiveness to consumer needs of small enterprise is expected to result in customer satisfaction in a market with differing consumer needs. The hypothesis relates customer satisfaction to market share in a heterogeneous market. A field study is carried out among consumers of packaged butter in a state in India. The results do not indicate customer satisfaction with lower market share in a heterogeneous market. 相似文献