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41.
Nimet Özbay Selahattin Kaçıranlar 《Journal of Statistical Computation and Simulation》2018,88(9):1669-1683
The present paper considers the weighted mixed regression estimation of the coefficient vector in a linear regression model with stochastic linear restrictions binding the regression coefficients. We introduce a new two-parameter-weighted mixed estimator (TPWME) by unifying the weighted mixed estimator of Schaffrin and Toutenburg [1] and the two-parameter estimator (TPE) of Özkale and Kaç?ranlar [2]. This new estimator is a general estimator which includes the weighted mixed estimator, the TPE and the restricted two-parameter estimator (RTPE) proposed by Özkale and Kaç?ranlar [2] as special cases. Furthermore, we compare the TPWME with the weighted mixed estimator and the TPE with respect to the matrix mean square error criterion. A numerical example and a Monte Carlo simulation experiment are presented by using different estimators of the biasing parameters to illustrate some of the theoretical results. 相似文献
42.
N. Nisan Selekler-Goksen Özlem Yildirim Öktem 《Journal of Management and Governance》2009,13(3):193-213
This longitudinal study investigates the impact of national and international pressures to improve corporate governance in an emerging economy from an institutional theory perspective. Recently, family business groups (FBGs), the dominant form of organizing in emerging economies, have been criticized by policy makers for their poor governance structures. A common recommendation to FBGs has been increasing the number of independent, outsider directors on their boards. Thus, change in the board compositions of the quoted subsidiaries of the six biggest FBGs is analyzed over 2002–2006. One-way-ANOVA and t-tests were used as statistical tools. Findings reveal that there has not been a statistically significant change in board compositions over the research period. FBGs were found to resist institutional pressures through ‘avoidance’, ‘defiance’ and “manipulation” strategies due to the absence of coercive pressures and multiple forms of ‘institutional work’ for change. 相似文献
43.
Fahri Özsungur 《Journal Of Human Behavior In The Social Environment》2013,23(8):1059-1081
ABSTRACTThe main purpose of this study which examines how it can be more effective in terms of organizational and managerial aspects with chambers of commerce and industry affiliated to The Union of Chambers and Commodity Exchanges of Turkey is to analyze the relationships between ethical leadership, work engagement, intrapreneurship, and service innovation behavior. In addition, it is to determine the role of mediation of work engagement effecting on intrapreneurship and service innovation behavior. For this purpose, quantitative analysis methods have been adopted. The data collected from 568 employees who were employed in chambers of commerce and industry operating in Turkey were analyzed. For the validity and reliability of the measurement tools, confirmatory factor analysis, the model’s good fit values and the AMOS Structural Equation Model were used. It was found that ethical leadership had statistically significant effect on employee engagement, intrapreneurship and the subscales of service innovation behavior (employee service innovation behavior and new service development). The results showed that work engagement partially mediated with ethical leadership effecting on intrapreneurship, ethical leadership effecting on the subscales of service innovation behavior. It is thought that the study is important in terms of providing empirical contributions to the ethical leadership, service innovation, intrapreneurship and work engagement literature. Finally, there are some limitations of the study and some suggestions are offered for future studies. 相似文献
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Özgür Kıbrıs 《Theory and Decision》2013,75(3):449-463
We propose and axiomatically analyze a class of rational solutions to simple allocation problems where a policy-maker allocates an endowment $E$ among $n$ agents described by a characteristic vector c. We propose a class of recursive rules which mimic a decision process where the policy-maker initially starts with a reference allocation of $E$ in mind and then uses the data of the problem to recursively adjust his previous allocation decisions. We show that recursive rules uniquely satisfy rationality, c-continuity, and other-c monotonicity. We also show that a well-known member of this class, the Equal Gains rule, uniquely satisfies rationality, c-continuity, and equal treatment of equals. 相似文献
46.
Although the most common approach for comparing two independent groups is on the basis of some measure of location, determination of the differences in the tails of the groups is often of interest. In this study, Harrell–Davis estimator, Sfakianakis–Verginis estimators and default quantile estimator of R are used in conjunction with a percentile bootstrap method with the aim of comparing two independent groups via the quantiles, and the relative efficiencies of Harrell–Davis and Sfakianakis–Verginis estimators are compared. General performance of Sfakianakis–Verginis estimators was much better than Harrell–Davis estimator in terms of both saving actual type I error and relative efficiency. 相似文献
47.
AbstractThis paper examines the impact of supply chain relationship quality (SCRQ) on firm performance (FP) through the mediators of supply chain management processes (SCMP) and supply chain performance (SCP). In the literature, these linkages have been examined separately; in contrast, this study takes a holistic perspective on the antecedents of FP. The model was tested using survey data from manufacturing companies. Variance-based structural equation modelling revealed that both SCMP and SCP lead to FP, unlike SCRQ. On the other hand, SCRQ affects SCMP. Drawing on the resource-based view, consistency in SCRQ can lead to not only efficient and effective supply chain management but also improvements in FP and SCP. This research has practical implications, providing supply chain decision makers with insights on enhancing FP. Supply chain decision makers will be able to benefit from the findings of our study by improving supply chain relationships with supply chain members and ensuring FP. This research also highlights how effective management of SCRQ, SCMP and SCP can provide better FP and a competitive advantage. 相似文献
48.
Ralf Östermark 《Statistics and Computing》1996,6(1):3-10
In the present study we compare three state rotation methods in modelling the impact of the US economy on the Finnish economy, i.e. Schur decomposition, eigenvalue analysis and singular value decomposition. Singular value decomposition is seen to provide a robust approximation of the state rotation in most cases studied, irrespective of whether the characteristic roots of the state transition matrix are complex. Thus, singular value decomposition seems to be a viable computational device not only in estimating the system matrices of the state space model, but also in state rotation, as compared to the more involved techniques based on eigenvalue analysis or Schur decomposition. 相似文献
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