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11.
This article examines the conflict between cultural heritage and the current forces of global competition in Europe. The nature of management in European organizations is in a state of transition, influenced by competing forces of economic, social, and political integration or disintegration. A review of European research is used to question the idealistic picture of the Single European Market as a unifying force that will simplify international human resource management in multinationals. Taking a comparative rather than international human resource management perspective, the paper identifies the factors that have created national patterns of HRM within Europe. A dynamic and comparative ‘force field framework’ of HRM is developed in order to understand the managerial frames of reference that are currently guiding the field. © 1997 John Wiley & Sons, Inc. 相似文献
12.
A continuous model for supply planning of assembly systems with stochastic component procurement times 总被引:1,自引:1,他引:0
Satyaveer S. Chauhan Alexandre Dolgui Jean-Marie Proth 《International Journal of Production Economics》2009,120(2):411
This paper studies a customized product assembly scenario where some components cannot be stocked due to high component cost and risk. We consider the case where these key components are ordered after a demand has been registered with a promised delivery date. Component lead-times are stochastic and associated distribution function is known in advance. The objective is to determine the ordering time for each component such as to minimize the sum of expected holding and backlogging costs. An approach to solve this problem is proposed and the algorithm is tested on a randomly generated data set. 相似文献
13.
Many scholars have investigated the direct impact of entrepreneurial orientation (EO) on performance, but this direct association seems both spurious and ambiguous because many parameters may have an indirect influence on this relationship. The present study thus considers sustainable practices—environmental practices, social practices in the workplace (SPW), and social practices in the community (SPC)—as three probable mediators in the relationship between EO and performance, which is considered in terms of its financial and non-financial dimensions. We seek to show to what extent small- and medium-sized enterprises’ (SMEs) sustainable practices are useful assets, which are supported by EO, to improve performance. Using a structural equation modeling approach, data collected from 406 French SMEs were tested against the model. Our findings reveal that EO has a positive impact on the implementation of sustainable practices and that SPW partially mediate the link between EO and performance. Taken together, these findings suggest that EO plays a role in indirectly promoting performance by enhancing certain human resource management practices. 相似文献
14.
Usual inference methods for stable distributions are typically based on limit distributions. But asymptotic approximations can easily be unreliable in such cases, for standard regularity conditions may not apply or may hold only weakly. This paper proposes finite-sample tests and confidence sets for tail thickness and asymmetry parameters (α and β) of stable distributions. The confidence sets are built by inverting exact goodness-of-fit tests for hypotheses which assign specific values to these parameters. We propose extensions of the Kolmogorov–Smirnov, Shapiro–Wilk and Filliben criteria, as well as the quantile-based statistics proposed by McCulloch (1986) in order to better capture tail behavior. The suggested criteria compare empirical goodness-of-fit or quantile-based measures with their hypothesized values. Since the distributions involved are quite complex and non-standard, the relevant hypothetical measures are approximated by simulation, and p-values are obtained using Monte Carlo (MC) test techniques. The properties of the proposed procedures are investigated by simulation. In contrast with conventional wisdom, we find reliable results with sample sizes as small as 25. The proposed methodology is applied to daily electricity price data in the US over the period 2001–2006. The results show clearly that heavy kurtosis and asymmetry are prevalent in these series. 相似文献
15.
This research article analyses the influence of micro-enterprise (ME) managers’ perception of their relationship to their
environment on the nature of their ethics. We carried out a survey with the head managers of 125 French MEs, providing a large
set of primary data. Two types of variables were defined: (1) variables related to the nature and intensity of the relationships
between ME managers and their social environment, and (2) variables related to the ethical framework that the managers used.
The results of univariate and bivariate analyses show significant statistical relationships between the variables that indicated
perceived embeddedness in the community and ethical variables. This result underlines the idea that “communities of ethics”
may have an important influence in MEs. 相似文献
16.
We study two Durbin-Watson type tests for serial correlation of errors inregression models when observations are missing. We derive them by applying standard methods used in time series and linear models to deal with missing observations. The first test may be viewed as a regular Durbin-Watson test in the context of an extended model. We discuss appropriate adjustments that allow one to use all available bounds tables. We show that the test is locally most powerful invariant against the same alternative error distribution as the Durbin-Watson test. The second test is based on a modified Durbin-Watson statistic suggested by King (1981a) and is locally most powerful invariant against a first-order autoregressive process. 相似文献
17.
We consider the problem of testing whether the observations X1,…,Xn of a time series are independent with unspecified (possibly nonidentical) distributions symmetric about a common known median. Various bounds on the distributions of serial correlation coefficients are proposed: exponential bounds, Eaton-type bounds, Chebyshev bounds and Berry–Esséen–Zolotarev bounds. The bounds are exact in finite samples, distribution-free and easy to compute. The performance of the bounds is evaluated and compared with traditional serial dependence tests in a simulation experiment. The procedures proposed are applied to U.S. data on interest rates (commercial paper rate). 相似文献
18.
The impact of international trade on labour markets in developed countries will be different according to the degree of competition in product markets, the flexibility of the labour market and the skill intensity of production. An econometric analysis of the impact of trade in France has been undertaken using sectoral data for the period 1985–p1992. It is found that lower relative import prices reduce the relative employment of low skill workers in the first half the period and reduce their relative wages in the second half. In both cases the effect is more pronounced in sectors where the skill intensity of production is initially low. 相似文献
19.
Social security, retirement age and optimal income taxation 总被引:1,自引:0,他引:1
It is often argued that implicit taxation on continued activity of elderly workers is responsible for the widely observed trend towards early retirement. In a world of laissez-faire or of first-best efficiency, there would be no such implicit taxation. The point of this paper is that, when first-best redistributive instruments are not available, because some variables are not observable, the optimal policy does imply a distortion of the retirement decision. Consequently, the inducement of early retirement may be part of the optimal tax-transfer policy. We consider a model in which individuals differ in their productivity and their capacity to work long and choose both their weekly labor supply and their age of retirement. We characterize the optimal non-linear tax-transfer that maximizes a utilitarian welfare function when weekly earnings and the length of active life are observable while individuals' productivity and health status are not observable. 相似文献
20.
We study a general family of Anderson–Rubin-type procedures, allowing for arbitrary collinearity among the instruments and endogenous variables. Using finite-sample distributional theory, we show that the proposed procedures, besides being robust to weak instruments, are also robust to the exclusion of relevant instruments and to the distribution of endogenous regressors. A solution to the problem of computing linear projections from general possibly singular quadric surfaces is derived and used to build finite-sample confidence sets for individual structural parameters. The importance of robustness to excluded instruments is studied by simulation. Applications to the trade-growth relationship and to education returns are presented. 相似文献