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31.
László Csató 《Group Decision and Negotiation》2018,27(6):1011-1027
An axiomatic approach is applied to the problem of extracting a ranking of the alternatives from a pairwise comparison ratio matrix. The ordering induced by row geometric mean method is proved to be uniquely determined by three independent axioms, anonymity (independence of the labelling of alternatives), responsiveness (a kind of monotonicity property) and aggregation invariance, which requires the preservation of group consensus, that is, the pairwise ranking between two alternatives should remain unchanged if unanimous individual preferences are combined by geometric mean. 相似文献
32.
Scott John Vitell Encarnación Ramos Ceri M. Nishihara 《Journal of Business Ethics》2010,91(4):467-483
Ethics has assumed a dominant position in the current economic debate, and this study focuses on ethics as a legitimate underpinning
to good business decision making. Using a self-response survey of marketing managers in Spain, the current theory on ethical
decision making is extended. Results support the mediating influence of the PRESOR construct (an individual’s perception of
the importance of ethics and social responsibility for the effectiveness of the organization) on relativistic and idealistic
moral thinking when one is considering the moral intensity of a situation. In addition, the study found support for the relationship
between relativism (negative), idealism (positive), corporate ethical values, and job satisfaction, thereby providing additional
support for the prior theory. Finally, a thorough review of the extant literature and suggestions for future ethics research
in the marketing field are included. 相似文献
33.
José A. Plaza-Úbeda Jerónimo de Burgos-Jiménez Eva Carmona-Moreno 《Journal of Business Ethics》2010,93(3):419-442
Stakeholder Theory combines the pursuance of business goals and responsibility toward a firm’s stakeholders. Despite the wealth
of research on Stakeholder Orientation, we still have much to learn about specific measurements for several related constructs.
In this study, we draw on two samples of 129 and 151 Spanish firms, respectively, to investigate CEOs’ perceptions on Stakeholder
Integration (SI), leading to the identification of three dimensions of the construct. In this respect, our study suggests
that Knowledge of Stakeholders, Interactions between a firm and its stakeholders, and the adaptation of a firm’s behavior
to stakeholders’ demands constitute the main dimensions of SI. This construct has the potential to connect the stakeholder
and strategy literatures. 相似文献
34.
Ma Dolores Garzón 《Service Business》2010,4(3-4):289-303
This article discusses personal entrepreneurial competences (PECs) from a dynamic, changing perspective to demonstrate that the behavior of the entrepreneur before setting up a company is not the same as after years of experience. To that effect, 1,163 entrepreneurs and 27 CEOs answered a questionnaire based on the concept of PECs. Results suggest that there are differences between the two groups. The article is contextualized in Spain, where the Polytechnic University of Valencia has a service called the IDEAS Institute, dedicated to supporting entrepreneurs and to enhancing firm creation. 相似文献
35.
In this paper, the procedures and problems of the changeover to the euro are reviewed. The legal elements involved are discussed as are the psychological aspects. Various practical problems and proposed solutions are described. The possibility of resistance from the consumers in certain segments of the Member State populations is also addressed. One reason for any such resistance might be that for many citizens, the change of currency appears to have little bearing on their everyday concerns.Particular attention is devoted to the scenario for the period 1 January to 1 July 2002, during which coins and notes in euros and national monetary units can be in circulation at the same time. 相似文献
36.
We develop a theory of robust pricing and hedging of a weighted variance swap given market prices for a finite number of co‐maturing put options. We assume the put option prices do not admit arbitrage and deduce no‐arbitrage bounds on the weighted variance swap along with super‐ and sub‐replicating strategies that enforce them. We find that market quotes for variance swaps are surprisingly close to the model‐free lower bounds we determine. We solve the problem by transforming it into an analogous question for a European option with a convex payoff. The lower bound becomes a problem in semi‐infinite linear programming which we solve in detail. The upper bound is explicit. We work in a model‐independent and probability‐free setup. In particular, we use and extend Föllmer's pathwise stochastic calculus. Appropriate notions of arbitrage and admissibility are introduced. This allows us to establish the usual hedging relation between the variance swap and the “log contract” and similar connections for weighted variance swaps. Our results take the form of a FTAP: we show that the absence of (weak) arbitrage is equivalent to the existence of a classical model which reproduces the observed prices via risk‐neutral expectations of discounted payoffs. 相似文献
37.
38.
Research suggests that organizational justice (procedural, distributive, and interactional justice) has important impacts on work-related attitudes and behaviors, such as organizational citizenship behavior (OCB). In this article, we explore the extent to which individualism moderates the relationship between organizational justice and OCB (organizational obedience, participation, and loyalty) among citizens in Kyrgyzstan. We make additional contributions to the literature because we know very little about these constructs in this former Soviet Union country, Kyrgyzstan, an under-researched and under-represented region of the world. Results of our data collected from 402 managers and employees in Kyrgyzstan offer the following new discoveries. All three justice constructs are related to OCB. Individualism moderates only the distributive and interactive justice to OCB relationships. We develop an intricate theory with provocative implications: Procedural justice produces obedience. For “individualists,” interactional justice inspires loyalty and, interestingly, distributive justice “can only buy” participation, but “can’t buy” loyalty. Therefore, for individualists, interactional justice outweighs distributive justice for organizational loyalty. Based on Kyrgyz citizens’ justice, OCB, and individualism, our theory reveals novel insights regarding culture, money attitude, and intrinsic motivation and provides critical and practical implications to the field of business ethics. 相似文献
39.
Francisco J. Bonilla-Escobar Martha L. Herrera-López Delia Ortega-Lenis Jhon J. Medina-Murillo Andrés Fandiño-Losada Ciro Jaramillo-Molina 《International journal of injury control and safety promotion》2016,23(2):179-188
This study's goal was to establish the prevalence of driving under the influence of alcohol (DUI) and alcohol consumption patterns among drivers in Cali, Colombia, in 2013. A cross-sectional study based on a roadside survey using a stratified and multi-stage sampling design was developed. Thirty-two sites were chosen randomly for the selection of drivers who were then tested for blood alcohol concentration (BAC) and asked to participate in the survey. The prevalence of DUI was 0.88% (95% confidence intervals [95% CI] 0.26%–1.49%) with a lower prevalence when BAC was increasing. In addition, a higher prevalence was found during non-typical checkpoint hours (1.28, 95% CI ?0.001%–0.03%). The overall prevalence is considered high, given the low alcohol consumption and vehicles per capita. Prevention measures are needed to reduce DUI during non-typical checkpoints and ongoing studies are required to monitor the trends and enable the assessment of interventions. 相似文献
40.
The short‐time asymptotic behavior of option prices for a variety of models with jumps has received much attention in recent years. In this work, a novel second‐order approximation for at‐the‐money (ATM) option prices is derived for a large class of exponential Lévy models with or without Brownian component. The results hereafter shed new light on the connection between both the volatility of the continuous component and the jump parameters and the behavior of ATM option prices near expiration. In the presence of a Brownian component, the second‐order term, in time‐t, is of the form , with d2 only depending on Y, the degree of jump activity, on σ, the volatility of the continuous component, and on an additional parameter controlling the intensity of the “small” jumps (regardless of their signs). This extends the well‐known result that the leading first‐order term is . In contrast, under a pure‐jump model, the dependence on Y and on the separate intensities of negative and positive small jumps are already reflected in the leading term, which is of the form . The second‐order term is shown to be of the form and, therefore, its order of decay turns out to be independent of Y. The asymptotic behavior of the corresponding Black–Scholes implied volatilities is also addressed. Our method of proof is based on an integral representation of the option price involving the tail probability of the log‐return process under the share measure and a suitable change of probability measure under which the pure‐jump component of the log‐return process becomes a Y‐stable process. Our approach is sufficiently general to cover a wide class of Lévy processes, which satisfy the latter property and whose Lévy density can be closely approximated by a stable density near the origin. Our numerical results show that the first‐order term typically exhibits rather poor performance and that the second‐order term can significantly improve the approximation's accuracy, particularly in the absence of a Brownian component. 相似文献