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71.
José Antonio Climent Hernández Luis Fernando Hoyos Reyes Domingo Rodríguez Benavides 《Contaduría y Administración》2017,62(5):1501-1522
This research work analyzes the yields of the exchange rate parities of the American dollar, Canadian dollar, Euro, and Yen; estimates the basic statistics and the α-stables; carries out the Kolmogorov–Smirnov, Anderson–Darling, and Lilliefors goodness of fit tests; estimates the self-similar exponents and carries out the t and F tests, ruling out that the series of parities are multifractal. It also estimates the confidence intervals of the exchange rate parities and concludes that the estimated α-stable distributions are more efficient than the Gaussian distribution to quantify the risks of the market, and that the series are self-similar. Through the ? index, we can infer the risk of the events, indicating that the parities are anti-persistent and thus have short-term memory, mean reversion, and a negative correlation with the high risk in the short and medium term. The estimation and validation of the α-stable distributions and the self-similar exponent are important in the evaluation and creation of innovative investment instruments through financial engineering, risk administration, and the evaluation of derived products. 相似文献
72.
73.
The goal of this paper is to analyze the impact of annual earnings announcements on the market through the order flow data in addition to the usual transaction data. In this respect, examining order flow data can potentially reveal valuable information that is not available from transaction data. In fact, the data allow us to test hypotheses about asymmetric information and investor behavior and to test if the behavior varies with investor sophistication. In addition, the paper tries to identify the determinants of the impact on a firm's value using assumptions about investor behavior. 相似文献
74.
Jos van Bommel 《Finance Research Letters》2011,8(3):112-119
We analyze the statistical properties of three price discovery measures: The variance ratio, the weighted price contribution (WPC), and the R2 of unbiasedness regressions. We find that, if the price process is a driftless martingale, only the WPC is an unbiased estimator for the return variance explained during a time interval. For autocorrelated processes with a drift, only the R2 of the unbiasedness regression is consistent, but it is biased for small samples. 相似文献
75.
High‐performance work systems and workplace performance in small,medium‐sized and large firms
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Ning Wu Kim Hoque Nicolas Bacon Juan Carlos Bou Llusar 《Human Resource Management Journal》2015,25(4):408-423
This article draws on the Organisational Growth and Development (OGD) life cycle model to explore the relationship between high‐performance work systems (HPWS) and performance in firms of different size, thereby extending understanding of congruence or ‘best fit’ theory within strategic HRM debates. With reference to management control theory, economies of scale and the availability of specialist managerial skills, the article hypothesises that while an HPWS–performance relationship might exist in small, medium‐sized and large firms, the relationship will be stronger in large firms than in both small and medium‐sized firms, and stronger in medium‐sized firms than in small firms. Analysis of data from the British Workplace Employment Relations Survey demonstrates, however, that there is no association between HPWS and workplace performance in medium‐sized firms, in contrast to the positive relationship between HPWS and performance found in large firms and between HPWS and labour productivity in small firms. 相似文献
76.
In 2011, the Spanish government made sustainability accounting mandatory for public sector organizations. This paper documents why, despite the new legislation, the quantity and quality of sustainability accounting practices remains low. 相似文献
77.
André Tchokogué Jean Nollet Nathalie Merminod Gilles Paché Véronique Goupil 《Business Strategy and the Environment》2018,27(3):336-358
This paper addresses the issue of how sustainable supply practices are actually used as a leverage for sustainable development (SD). In order to assess the level of sustainable supply management within an organization, the authors have reviewed the literature extensively and then developed a five‐step maturity model around five management dimensions. A qualitative exploratory approach based on two detailed case studies of organizations whose reputation for SD is recognized internationally has been used. This methodology allowed us to show (1) how sustainable supply practices could be used as a leverage for an organization's sustainable development approach and (2) that sustainable supply practices still have quite a distance to go with regards to the maturity model for sustainable supply, even in organizations that are often mentioned as leaders in the SD area. In these organizations, managers still emphasize environmental considerations, while neglecting practices that would make it possible to reach the three SD objectives simultaneously. Copyright © 2017 John Wiley & Sons, Ltd and ERP Environment 相似文献
78.
Judith Dwyer Amohia Boulton Josée G. Lavoie Tim Tenbensel Jacqueline Cumming 《Public Management Review》2014,16(8):1091-1112
AbstractThis article analyses reforms to contracting and accountability for indigenous primary health care organizations in Canada, New Zealand, and Australia. The reforms are presented as comparative case studies, the common reform features identified and their implications analysed.The reforms share important characteristics. Each proceeds from implicit recognition that indigenous organizations are ‘co-principals’ rather than simply agents in their relationship with government funders and regulators. There is a common tendency towards more relational forms of contracting; and tentative attempts to reconceptualize accountability. These ‘frontier’ cases have broad implications for social service contracting. 相似文献
79.
Freddy Cepeda-López Carlos León Hernán Rincón-Castro 《The journal of international trade & economic development》2019,28(4):452-485
This paper employs network analysis to study world trade from 1995 to 2014. We focus on the main connective features of the world trade network (WTN) and their dynamics. Results suggest that countries’ efforts to attain the benefits of trade have resulted in an intertwined network that is increasingly dense, reciprocal, and clustered. However, these features do not correspond to a linear aggregation of the characteristics of its constituents (trade sectors). Trade linkages are distributed homogeneously among countries, but their intensity (i.e. their value) is highly concentrated in a small set of countries. The main connective features of the WTN were not affected by the 2007–2008 international financial crisis. However, we find that the crisis marks a turning point in the evolution of the WTN from a two-group (led by the US and Germany) to a three-group (led by the US, Germany, and China) hierarchical structure. 相似文献
80.
André Brett 《Australian economic history review》2019,59(2):159-180
Railways made a large contribution to the expansion of Victoria's economy, and in the process enabled and drove environmental change. This article focuses on one industry, forestry. It first examines railway demand for timber in construction and maintenance, particularly for sleepers. This demand caused tensions – a bitter dispute in the 1890s between the Railways Department and the Conservator of Forests, George Perrin, over timber cut on state land led to uneasy co-existence after the turn of the century. Railways not only required timber but also carried commercial quantities in bulk, providing forest industries with access to profitable markets – in particular firewood, the significance of which has been underappreciated previously. Forest products contributed substantially to railway revenue, representing a more stable source of income than other major categories of freight such as wheat, wool, and coal. 相似文献