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51.
Spurious Rejections by Perron Tests in the Presence of a Break 总被引:1,自引:0,他引:1
Tae-Hwan Kim Stephen J. Leybourne & Paul Newbold 《Oxford bulletin of economics and statistics》2000,62(3):433-444
In this paper, we concentrate on the case of an exogeneously chosen break date, but entertain the possibility that an incorrect choice is made. In fact, the Perron test statistics considered are invariant to any break in the generating process at the assumed break date. Our results therefore apply equally to the case of a generating process with two breaks, only one of which is specifically accounted for in the analysis. As in Leybourne et al . (1998), we find that a neglected relatively early break can lead to spurious rejections of the unit root null hypothesis. Moreover, for all but one of the tests analyzed, spurious rejections now also arise if a true break occurs relatively soon after the assumed break date. 相似文献
52.
The aim of this article is to investigate differences between the British public and private sectors in terms of the decentralisation of employment relations. Drawing on data from the 1998 Workplace Employee Relations Survey, the article arrives at three main conclusions. First, the analysis reveals that while local‐level managers in both sectors have similar levels of responsibility for employment relations issues, those in the public sector are, on the whole, significantly less likely to be able to exercise authority. Second, the results indicate some marked variations in practice within the public sector, with managers in education having the greatest level of authority. Finally, the article explores the extent to which differences in local‐level authority between the public and private sectors can be explained by higher‐level collective bargaining, and the presence of higher‐level personnel specialists. These factors have only a partial influence, and do not fully explain why local‐level employee relations managers in some areas (notably health) are less able to exercise authority than their counterparts in the private sector. 相似文献
53.
Despite a significant amount of attention, the potential of supplier structural embeddedness (i.e., the value of the structural position in an extended network) to improve the performance of a buying firm remains poorly understood. This study drew on the social network theory to empirically examine a conceptual framework specifying a relationship between the efforts of a buying firm to understand supplier structural configuration and operational and financial performance. This study also examines how the comprehension of structural embeddedness is transformed into performance for a buying firm through relational embeddedness (i.e., the strength of a dyadic relationship). Survey data collected from companies in the U.S. were analyzed using hierarchical regression analysis. The results indicate that the understanding of the structural dimension does help to enhance operational performance of a buying firm, but it does not lead to better financial performance. Empirical evidence shows that a buying firm does improve the quality of a dyadic relationship between the buying firm and a supplier by understanding how the supplier is connected to other firms and what positional values are produced. Further, relational embeddedness is found to mediate the influence of the enhanced understanding of the structural configuration on operational performance. 相似文献
54.
Calibration Estimation in Survey Sampling 总被引:1,自引:0,他引:1
Calibration estimation, where the sampling weights are adjusted to make certain estimators match known population totals, is commonly used in survey sampling. The generalized regression estimator is an example of a calibration estimator. Given the functional form of the calibration adjustment term, we establish the asymptotic equivalence between the functional-form calibration estimator and an instrumental variable calibration estimator where the instrumental variable is directly determined from the functional form in the calibration equation. Variance estimation based on linearization is discussed and applied to some recently proposed calibration estimators. The results are extended to the estimator that is a solution to the calibrated estimating equation. Results from a limited simulation study are presented. 相似文献
55.
Dong Ju Kim 《International Journal of Human Resource Management》2013,24(17):2143-2165
This study empirically examined the impact of corporate governance on employment relations outcomes utilizing a comprehensive data set drawn from 214 Korean firms. The study contrasted the stakeholder and shareholder perspectives of corporate governance in investigating the impact of corporate governance on employment relations outcomes. The results showed that the stakeholder corporate governance orientation (as compared to the shareholder orientation) had positive relationships with education/training expense, the level of average employee tenure and industrial relations climate, and had a negative association with number of strikes. Overall, the results implied that the stakeholder orientation of firms led to more beneficial effects for employees and more consensual relations with labor unions than the shareholder orientation did. 相似文献
56.
Jin-Hyuk Kim 《Economics of Governance》2013,14(2):107-126
This paper studies the determinants of lobbying-employment decisions of former members of the U.S. House of Representatives for the 105th–108th Congresses. The main empirical findings indicate that there are two groups more likely to become lobbyists: members not re-elected who had more conservative voting records and held important committee assignments and longer-serving members who voluntarily retired and voted less conservatively in their last term compared to their previous terms in office. A decomposition analysis confirms that the revolving doors for the two groups of legislators differ because of differences in employer response rather than in legislator characteristics. 相似文献
57.
Quality & Quantity - Non-profit organizations (NPOs) have been recognized as critical performers not only in the enhancement of social values and civic integration but also in the construction... 相似文献
58.
In recent years, a growing number of firms have adopted flexible work arrangements (FWAs) to help managers balance their work–family demands. Based on a sample of 1336 married managers in Korea, we found that work–family conflict increased the FWAs demand more for female managers than for male managers. When facing work–family conflict, the absence of family-supportive supervision increased the demand for FWAs, particularly among female managers. No such effect was found for family–work conflict. In addition, having a female supervisor led to an increased demand for FWAs from company managers. These results suggest that firms should pay close attention to gender difference and supervisory roles in predicting the demand for FWAs to alleviate work–family conflicts. 相似文献
59.
How much does a single graduation cohort from further education colleges contribute to an open regional economy? Spatial Economic Analysis. This paper combines elements of growth accounting and numerical general equilibrium analysis to produce an alternative micro-to-macro modelling approach. This is used to evaluate the macroeconomic impact on the Scottish economy of the human capital generated by a single graduation cohort from further education colleges. The macroeconomic impact is found to be significant and larger than growth accounting would suggest due to the associated endogenous investment, employment and competitiveness effects. From a policy perspective this identifies the importance of the conventional teaching role of education institutions and the key function played by further education colleges in this process. 相似文献
60.
Ki‐Hoon Lee 《Business Strategy and the Environment》2017,26(2):209-223
There are an increasing number of companies in the mining and metals sector disclosing environmental sustainability information in their annual reports, sustainability reports and corporate internet web pages. However, there is ongoing debate about the relationship between the quantity and the quality of environmental disclosure. That is, does an increase in number equate to an increase in quality? This study investigates the relationship between the quantity and the quality of environmental disclosure reports. Using content analysis, we examine the environmental disclosure of 55 Australian mining and metal companies which are listed among the Australian Securities Exchange's (ASX) Top 100 mining and metal sector companies. We find that the size of firms influences both the quantity and the quality of corporate environmental disclosure. That is, we find that market capitalization is positively and significantly correlated to the quantity (number of words) and the quality of disclosure. We also confirm that there is a very highly significant, positive correlation between quantity (number of words) and quality of environmental disclosure. In order to investigate any differences between the top performing group and the bottom performing group in terms of environmental disclosure quality, further analysis also confirms that there is a positive relationship between the quantity and the quality of environmental disclosure. Copyright © 2015 John Wiley & Sons, Ltd and ERP Environment 相似文献