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31.
Giuseppe Cavaliere Anders Rahbek A. M. Robert Taylor 《Econometrica : journal of the Econometric Society》2012,80(4):1721-1740
This paper discusses a consistent bootstrap implementation of the likelihood ratio (LR) co‐integration rank test and associated sequential rank determination procedure of Johansen (1996). The bootstrap samples are constructed using the restricted parameter estimates of the underlying vector autoregressive (VAR) model that obtain under the reduced rank null hypothesis. A full asymptotic theory is provided that shows that, unlike the bootstrap procedure in Swensen (2006) where a combination of unrestricted and restricted estimates from the VAR model is used, the resulting bootstrap data are I(1) and satisfy the null co‐integration rank, regardless of the true rank. This ensures that the bootstrap LR test is asymptotically correctly sized and that the probability that the bootstrap sequential procedure selects a rank smaller than the true rank converges to zero. Monte Carlo evidence suggests that our bootstrap procedures work very well in practice. 相似文献
32.
Leo Kant Anders Skogstad Torbjørn Torsheim Ståle Einarsen 《The Leadership Quarterly》2013,24(1):106-124
Drawing on the general aggression model and theories of victimization and temperamental goodness-of-fit, we investigated trait anger and trait anxiety as antecedents of petty tyranny: employing a multilevel design with data from 84 sea captains and 177 crew members. Leader trait anger predicted subordinate-reported petty tyranny. Subordinate trait anxiety was associated with subordinate-reported petty tyranny. The association between leader trait anger and subordinate-reported petty tyranny was strongest among low trait anger subordinates supporting the theory of temperamental goodness-of-fit—or rather misfit—in dyads. Hence, leader anger-generated petty tyranny seems to constitute itself both as an average leadership style and as behavior targeting specific subordinates, in this case low trait anger subordinates. In addition, anxious subordinates report more exposure to such abusive leadership behaviors irrespective of levels of trait anger in the captain. The practical implications are above all the needs for organizational and individual management of leader trait anger. 相似文献
33.
Espen Dahl Jon Anders Drøpping & Ivar Lø 《International Journal of Social Welfare》2001,10(4):300-308
This article examines the extent to which social policies in post-War Norway fit three key features of the social development model, namely productivism, social investment and universalism. The historical review shows that the pursuit of a social development model changes in line with economic development and the expansion of the welfare state. It reveals that policies to promote full employment have been central to the country's economic and welfare policies throughout the post-War period. Nevertheless, the extent to which the productivist objective has been emphasised and implemented has fluctuated over time. In contrast to the 1970s and 1980s, the 1990s witnessed a strengthening of the work ethic but also a continued commitment to de-commodification. The extent to which the combination of productivism and social investment is pursued is examined with reference to services for the insured and uninsured. The article concludes that the ways in which the social development perspective understands and defends universalism and social investment only partially applies to the mature Norwegian welfare state. 相似文献
34.
Anders Milhøj 《商业与经济统计学杂志》2013,31(1):99-103
A model for the distribution of daily deviations of an exchange rate is suggested. The distribution is Gaussian with a variance that depends on previous deviations. The model is applied to the exchange rate of the U.S. dollar to special drawing rights. 相似文献
35.
The likelihood ratio test for cointegrating rank is analyzed for partial (or conditional) systems in the vector autoregressive error-correction model. Under the assumption of weak exogeneity for the cointegrating parameters, the asymptotic distributions are given and tables of critical values are provided. A discussion is given of some of the assumptions of the model, why they are needed, and how they are tested. 相似文献
36.
Spatiotemporal prediction for log-Gaussian Cox processes 总被引:1,自引:0,他引:1
Anders Brix & Peter J. Diggle 《Journal of the Royal Statistical Society. Series B, Statistical methodology》2001,63(4):823-841
Space–time point pattern data have become more widely available as a result of technological developments in areas such as geographic information systems. We describe a flexible class of space–time point processes. Our models are Cox processes whose stochastic intensity is a space–time Ornstein–Uhlenbeck process. We develop moment-based methods of parameter estimation, show how to predict the underlying intensity by using a Markov chain Monte Carlo approach and illustrate the performance of our methods on a synthetic data set. 相似文献
37.
This study investigates how different lot sizing techniques influence the cumulative lead time for multi-level production-inventory systems controlled by material requirements planning (MRP). Theoretical approaches, a numerical example, as well as simulation are used to analyse and illustrate the combined effect of lot sizing at different product structure levels. It is shown that lot-sizing requirements for more than a single period, such as fixed period requirements, period under quantity, Silver Meal algorithm, as well as economic order quantity will lead to longer actual cumulative lead times than would be expected, when taking the item lead times along the critical path through the product structure into account. Consequently, MRP will underestimate the cumulative lead time and will require a longer planning horizon. We show that the extension of the cumulative lead techniques covering the time is a lot-sizing related phenomenon and cannot be accounted for by, e.g. using safety lead time. Lot-sizing techniques with multi-period coverage will only occasionally provide the 'expected' cumulative lead time. We also show that average and maximum throughput times, as well as throughput time variability increases with increasing time-period coverage of lots. 相似文献
38.
In two studies using both field (165 employees and their 24 direct supervisors from a manufacturing firm in Study 1) and experimental (123 second-year undergraduate student participants in lab Study 2) data, we explore how perceived supervisor support acts as a crucial contingency that enables higher levels of idea implementation from creative-idea generation. First, we suggest that excessive creative-idea generation (in terms of both frequency and creativity of ideas) can lead to diminished returns with regard to idea implementation. Drawing on a resource allocation framework, we hypothesize and find a curvilinear inverse U-shaped relationship between employee creative-idea generation and implementation. Second, we find that higher levels of perceived supervisor support dampen the curvilinear relationship between creative-idea generation and idea implementation. Accordingly, perceived supervisor support seems to provide employees with access to resources and support needed for idea implementation, making highly creative ideas more implementable. 相似文献
39.
40.
Katarina Andersson Anders Hanberger Lennart Nygren 《Journal of aging & social policy》2018,30(5):419-439
This article explores how local politicians and care unit managers in Swedish eldercare experience and respond to state supervision (SSV). Twelve politicians and twelve managers in 15 previously inspected municipalities were interviewed about their experiences of and reactions to SSV in relation to their views of care quality and routines in eldercare practice. The findings indicate that local managers and political chairs perceived SSV in eldercare positively at a superficial level but were critical of and disappointed with specific aspects of it. In terms of (a) governance, chairs and managers said SSV strengthened implementation of national policies via local actors, but they were critical of SSV’s narrow focus on control and flaws in eldercare practice. With regard to (b) accountability, SSV was seen as limited to accountability for finances and systemic performance, and regarding (c) organizational development, SSV was seen as limited to improving routines and compliance with legislation, while local definitions of quality are broader than that. In general, local actors regarded SSV as improving administrative aspects and routines in practice but ignoring the relational content of eldercare quality. 相似文献