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121.
Maurizio Franzini Mario Pianta James K. Galbraith Francesco Bogliacino Virginia Maestri Michele Raitano Gerhard Bosch Thorsten Kalina 《Intereconomics》2016,51(2):48-48
While it has long been apparent that global levels of wealth and income inequality have been steadily increasing since the 1970s, the issue received scant attention in Europe until the recent fi nancial crisis and the resulting Great Recession illuminated for the general public just how great the chasm between the very rich and everybody else had grown. This realisation was coupled with an increased focus on inequality among economists and other academics, leading to a fresh drive for policy ideas to remedy the alarming trend. This Forum comprises a diverse range of viewpoints on the recent history and dynamics of inequality within Europe, each striving to defi ne the root causes in the various countries being examined. The defi nition of these causes, of course, can inform the direction of policies aimed at alleviating the growing inequality in many European countries and thereby curtail one of the major political and social issues of our time. 相似文献
122.
This paper presents four different contexts in which students practiced implementing business ethics. Students were required
to develop Codes of Conduct/Codes of Ethics as a classroom exercise. By developing these codes, students can improve their
understanding of how and why codes of conduct are developed, designed, and implemented in the workplace. Using the three-phase
content analysis process (McCabe et al.: 1999, The Journal of Higher Education 70(2), 211–234), we identify a framework consisting of 10 classifications that can be used to assess learning outcomes in embedded
ethics education. By analyzing the different content within each classification, instructors were able to gain a better understanding
of differing application of ethical principles. This analysis indicates that there needs to be more research on codes of conduct
for smaller units within an organization and more integration of work group codes of conduct into the business curriculum. 相似文献
123.
Marjorie A. Rosenberg F.S.A. Ph.D. Virginia R. Young F.S.A. Ph.D. 《North American actuarial journal : NAAJ》2013,17(2):130-143
This paper explores the use of Bayesian models to analyze time series data. The Bayesian approach produces output that can be readily understood by actuaries and included in their own experience studies. We illustrate this Bayesian approach by analyzing U.S. unemployment rates, a macroeconomic time series. Understanding time series of macroeconomic variables can help actuaries in pricing and reserving their products. For example, a change in the level and/or variance of the unemployment series is of interest to actuaries, because its movement can explain a changing pattern of lapse rates of incidence rates. Our Bayesian analysis, based on models developed by McCulloch and Tsay (1993, 1994), allows for shifts in the level and in the error variance of a process. We develop a measure of model fit, based on the Akaike Information Criterion, that can be used in choosing between alternative models. Posterior prediction intervals for the fitted values are also created to pictorially show the range of paths that could result from the choice of a particular model. 相似文献
124.
Edward W. Frees F.S.A. Virginia R. Young F.S.A. Yu Luo A.S.A 《North American actuarial journal : NAAJ》2013,17(4):24-42
Abstract In this paper, we examine case studies from three different areas of insurance practice: health care, workers’ compensation, and group term life. These different case studies illustrate how the broad class of panel data models can be applied to different functional areas and to data that have different features. Panel data, also known as longitudinal data, models are regression-type models that have been developed extensively in the biological and economic sciences. The data features that we discuss include heteroscedasticity, random and fixed effect covariates, outliers, serial correlation, and limited dependent variable bias. We demonstrate the process of identifying these features using graphical and numerical diagnostic tools from standard statistical software. Our motivation for examining these cases comes from credibility rate making, a technique for pricing certain types of health care, property and casualty, workers’ compensation, and group life coverages. It has been a part of actuarial practice since Mowbray’s (1914) fundamental contribution. In earlier work, we showed how many types of credibility models could be expressed as special cases of panel data models. This paper exploits this link by using tools developed in connection with panel data models for credibility rate-making purposes. In particular, special routines written for credibility rate-making purposes are not required. 相似文献
125.
Abstract The increasing risk of poverty in retirement has been well documented; it is projected that current and future retirees’ living expenses will significantly exceed their savings and income. In this paper, we consider a retiree who does not have sufficient wealth and income to fund her future expenses, and we seek the asset allocation that minimizes the probability of financial ruin during her lifetime. Building on the work of Young (2004) and Milevsky, Moore, and Young (2006), under general mortality assumptions, we derive a variational inequality that governs the ruin probability and optimal asset allocation. We explore the qualitative properties of the ruin robability and optimal strategy, present a numerical method for their estimation, and examine their sensitivity to changes in model parameters for specific examples. We then present an easy-to-implement allocation rule and demonstrate via simulation that it yields nearly optimal ruin probability, even under discrete portfolio rebalancing. 相似文献
126.
We use a continuous version of the standard deviation premium principle for pricing in incomplete equity markets by assuming that the investor issuing an unhedgeable derivative security requires compensation for this risk in the form of a pre-specified instantaneous Sharpe ratio. First, we apply our method to price options on non-traded assets for which there is a traded asset that is correlated to the non-traded asset. Our main contribution to this particular problem is to show that our seller/buyer prices are the upper/lower good deal bounds of Cochrane and Saá-Requejo (J Polit Econ 108:79–119, 2000) and of Björk and Slinko (Rev Finance 10:221–260, 2006) and to determine the analytical properties of these prices. Second, we apply our method to price options in the presence of stochastic volatility. Our main contribution to this problem is to show that the instantaneous Sharpe ratio, an integral ingredient in our methodology, is the negative of the market price of volatility risk, as defined in Fouque et al. (Derivatives in financial markets with stochastic volatility. Cambridge University Press, 2000). 相似文献
127.
Shaozhuang Ma M. Gabriela Silva Victor J. Callan Virginia Trigo 《International Journal of Human Resource Management》2016,27(9):974-990
There is a growing body of literature and debate around control versus commitment human resource management (HRM) systems and their impacts on employees. However, the impacts of these constructs have not been widely examined in more emerging economies. Taking a specific sample of educated professionals working for multinational and local firms in China, this study investigated employee perceptions of control and commitment HR practices, job satisfaction and turnover intentions. A total of 311 respondents completed a structured survey questionnaire. Results revealed that those working for multinational firms reported more positive perceptions of their employers' control and commitment HR practices. In multinational firms, the use of commitment HR practices predicted lower intentions to leave. However, in domestic firms a lack of control HR practices predicted higher turnover intentions. Theoretically, the study adds to discussions about the nature and roles of these constructs, their impacts on HR outcomes and how institutional mechanisms might shape the degree of HRM homogeneity and hybridity across organizations in China. Practically, the study provides guidance to international and local firms on how to improve their HRM effectiveness to achieve a higher retention of their most talented professionals. 相似文献
128.
Racioppi Virginia Marcarelli Gabriella Squillante Massimo 《Quality and Quantity》2015,49(4):1661-1677
Quality & Quantity - Decision problems are often characterized by a great number of alternative actions and by the complexity of relationships between factors involved in the process. This... 相似文献
129.
Zinta S. Byrne Virginia E. Pitts Carolyn M. Wilson Zachary J. Steiner 《Human Resource Management Journal》2012,22(2):129-147
Applying social exchange theory and organisational support theory to a performance appraisal context, we hypothesised that perceived supervisory support would mediate the relationships between both interpersonal and informational justice, and trust in the supervisor. The data were collected from 526 full‐time working adults, who answered questions about the fairness of their organisation's current performance appraisal process. Using structural equation modelling, both calibration (n = 278) and cross‐validation (n = 248) field samples showed that perceived supervisory support mediated the justice–supervisor trust relationships. Our findings suggest that perceived supervisory support serves as a mechanism through which perceptions of interpersonal and informational justice foster trust in supervisors. Implications for organisational practice and areas for future research are discussed. 相似文献
130.
Roffia Paolo Simón-Moya Virginia Sendra García Javier 《The International Entrepreneurship and Management Journal》2022,18(3):1141-1172
International Entrepreneurship and Management Journal - This paper analyses the relationship between board of director (BoD) attributes and financial performance in small and medium-sized... 相似文献