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随着经济社会的不断变化和改革的进一步深入,会计人员在经济活动中的作用日益明显,社会对其自身素质的要求也越来越高.文章分析了在新的形势下会计人员素质提升的必要性,并提出其应具备的素质. 相似文献
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Traditional timing models are affected by several biases, which generate spurious timing and stock-picking coefficients. Academics have appointed different causes as the possible sources of these biases. A negative correlation between timing and stock-picking abilities arises as a consequence of the biases in traditional timing models. This article provides evidence for one bias commonly found in traditional timing models, which is related with options. We focus on this bias in view of the scant attention it has so far received in the literature. We believe one possible cause for this bias is the failure to include the cost of the option implicit in timing activities in the timing models, and on this basis, we opt for a corrected version of the Merton and Henriksson model (1981). This study therefore is a pioneer in the assessment of the magnitude of this bias and in the measurement of the impact of its correction on fund managers’ results. Our results confirm both the existence of the bias and the correction of the problem when the cost of the option is included in timing models. The modified version of the Merton and Henriksson model, unlike the traditional model, reports positive timing and stock-picking coefficients, supporting the good performance by managers. 相似文献
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本文利用综合评价法,基于二元价值容介态理论,利用物质态和信息态双层筛选法,对A股上市公司进行综合评级,以挖掘有投资价值的上市公司。 相似文献
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Careerism refers to an individual’s propensity to achieve their personal and career goals through nonperformance-based activities (Feldman, The Indus Org Psychol 39–44, 1985). We investigated the role of several dispositional predictors of careerism, including Five-factor model (FFM) personality traits, primary psychopathy, and exchange ideology. Based on data from 131 respondents, as expected, we observed that emotional stability was negatively correlated with careerism. Primary psychopathy and exchange ideology explained additional variance in careerism after accounting for FFM traits. Relative importance analyses indicated that psychopathy (relative weight percentage of explained variance = 42.1 %) and exchange ideology (relative weight percentage = 44.1 %) were equally important in predicting careerism. We highlight the need for future research efforts investigating the combined effects of contextual factors—particularly, human resource practices—and individual differences to understand careerism in the workplace. 相似文献
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日本曾经是世界储蓄率最高的国家之一,但从20世纪90年代开始,日本储蓄率发生了显著变化,呈下降趋势。日本储蓄率的变动不但会影响本国经济,还将影响世界经济。通过储蓄理论与最新经济数据分析得出日本储蓄率变动的最主要因素是:收入因素、人口因素及社会保障因素。研究日本储蓄率变动对中国调整高储蓄率有一些有益的启示。 相似文献
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