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1.
Al Gini 《Journal of Business Ethics》1997,16(3):323-330
This paper develops and examines the distinctions between the process of leadership, the person of the leader, and the job of leading. I argue that leadership is a delicate combination of the process, the techniques of leadership, the person, the specific talents and traits of a/the leader, and the general requirements of the job itself. The concept of leadership can and must be distinguishable and definable separately from our understanding of what and who leaders are, although the phenomenon of leadership can only be known and measured in the particular instantiation of a leader doing a job. 相似文献
2.
Summary. The traditional model of sequential decision making, for instance, in extensive form games, is a tree. Most texts define a tree as a connected directed graph without loops and a distinguished node, called the root. But an abstract graph is not a domain for decision theory. Decision theory perceives of acts as functions from states to consequences. Sequential decisions, accordingly, get conceptualized by mappings from sets of states to sets of consequences. Thus, the question arises whether a natural definition of a tree can be given, where nodes are sets of states. We show that, indeed, trees can be defined as specific collections of sets. Without loss of generality the elements of these sets can be interpreted as representing plays. Therefore, the elements can serve as states and consequences at the same time.Received: 23 January 2003, Revised: 2 November 2003, JEL Classification Numbers:
C72, D70.
Correspondence to: Klaus RitzbergerWe are grateful to Larry Blume, Ariel Rubinstein, Jörgen Weibull, an anonymous referee, and seminar participants at the universities of Vienna, Salamanca, and Heidelberg for helpful comments. Financial support from the Austrian Science Fund (FWF) under project P15281 is also gratefully acknowledged. 相似文献
3.
We examine in this article the pricing of target volatility options in the lognormal fractional SABR model. A decomposition formula of Itô's calculus yields an approximation formula for the price of a target volatility option in small time by the technique of freezing the coefficient. A decomposition formula in terms of Malliavin derivatives is also provided. Alternatively, we also derive closed form expressions for a small volatility of volatility expansion of the price of a target volatility option. Numerical experiments show the accuracy of the approximations over a reasonably wide range of parameters. 相似文献
4.
Malak Tleis Roberta Callieris Lina Al Bitar Rocco Roma John Thgersen 《International Journal of Nonprofit & Voluntary Sector Marketing》2019,24(4)
To increase the sparse knowledge about what drives organic food consumers in developing markets, Lebanese consumers' reasons and motives for buying organic food are studied in the framework of means‐end chain theory. A sample of N = 180 Lebanese consumers was interviewed in several retail outlets using a hard laddering questionnaire. The data were subjected to frequency analysis, cluster analysis, and structural equation modelling. Hierarchal value maps constructed from the laddering interviews revealed that “quality of life,” “pleasure,” and “peace of mind” are the main values driving organic food consumption in Lebanon. Frequent organic consumers displayed higher concern for their family's health and for the environment, whereas occasional organic consumers cared more about their own pleasure and were more likely to perceive organic food as a traditional and nostalgic product. Structural equation modelling revealed that “care for nature” and “care for children's health” significantly affect consumers' (self‐reported) purchasing behaviour. The found means‐end chains are a useful basis for marketing campaigns for organic food products in the Lebanese market. One focus of marketing campaigns should be raising consumers' awareness on the environmental benefits of organic production and the fact that it does not allow the use of harmful chemical products. 相似文献
5.
Jamal A. Al‐Khatib Mohammed I. Al‐Habib Naima Bogari Najah Salamah 《Business ethics (Oxford, England)》2016,25(2):172-186
As international trade and business opportunities grow globally, insight into trading partners’ strategies is essential. One of the major strategies that impact trading partners’ relationships is negotiation strategy employed by each partner. These strategies assume even greater importance when these strategies have ethical content. This study examines the effects of marketing executives’ preferred ethical ideologies (relativism and idealism), opportunism and Machiavellianism on their perceived appropriateness of unethical negotiation tactics. Utilizing a sample of 995 marketing executives from six countries, cluster analysis and multivariate analysis of variance revealed two types of marketing negotiators: principled and corrupt negotiators. Corrupt negotiators tend to be more Machiavellian, more relativist, more opportunistic and less idealistic than their principled counterparts. Principled negotiators tend to perceive unethical negotiation tactics less favorably than their corrupt counterparts. Implications of these results for practitioners and directions for future research are discussed. 相似文献
6.
Classical put–call symmetry relates the price of puts and calls under a suitable dual market transform. One well‐known application is the semistatic hedging of path‐dependent barrier options with European options. This, however, in its classical form requires the price process to observe rather stringent and unrealistic symmetry properties. In this paper, we develop a general self‐duality theorem to develop valuation schemes for barrier options in stochastic volatility models with correlation. 相似文献
7.
Fadia Al Hajj Gilles Dufrnot Kimiko Sugimoto Romain Wolf 《The Developing economies》2015,53(4):237-271
The paper examines the monetary policy actions through which central banks in sub‐Saharan Africa have tried to eliminate the negative impacts of the shocks facing their economies. We compare two different monetary policy regimes: a currency board regime (in the CFA zone) and an inflation targeting policy regime (Ghana and South Africa) when central banks respond to demand, supply, and fiscal shocks. We extend the usual forecasting and policy analysis system models to replicate the economic features of these economies during the period 2002–12 and to evaluate the impact of several policies in response to these shocks. We find that both policies are inappropriate in helping the economies escape from the effects of negative demand shocks, both are essential when negative shocks to primary balance occur, while inflation targeting dominates the currency board regime as a strategy to cope with positive shocks to inflation. 相似文献
8.
9.
Because politics is a way of life in organizations, organizational politics has been studied by several scholars over the past 40 years. Few studies, though, have examined organizational politics outside of the United States and Europe. This study is a further step toward closing that gap. In particular, we (1) examined the applicability of the Perceptions of Organizational Politics Scale (POPS) instrument in Kuwait, (2) examined the perceived existence of organizational politics in a public organization in Kuwait, and (3) sought to determine if perceptions of organizational politics seemed to be influenced by the same variables in Kuwait as in Western societies. The study found that the perception of organizational politics is relatively strong and that the POPS instrument was applicable in the Kuwaiti culture and could lead to an expanded understanding of organizational politics. The gender of the respondents, their tenure, and their current positions had some influence on perceptions of organizational politics. © 2011 Wiley Periodicals, Inc. 相似文献
10.
Marian Crowley-Henry Akram Al Ariss 《International Journal of Human Resource Management》2018,29(13):2054-2079
This paper unpacks the dominant conceptualizations of talent management (TM) in contemporary academic publications, and considers these in relation to the increasingly important workforce population of skilled international migrants. It postulates that TM approaches are generally built from a relatively narrow human capital-based perspective wherein organizations focus on readily accessible and immediate skills, ignoring the longer term strategic potential of the international workforce of skilled migrants, particularly for multinational enterprises and other international organizations. Through a series of propositions, the paper highlights how organizations, in strategically using a more comprehensive TM lens rather than a human capital lens in approaching the TM of skilled migrants, could benefit from improved HRM performance over time. It also proposes a research agenda, by which future studies might test, explore, and further develop understanding on a more strategic utilization of skilled migrants in organizations. 相似文献