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991.
Abstract. This paper uses the adaptive Lasso estimator to determine variables important for economic growth. The adaptive Lasso estimator is a computationally very efficient procedure that simultaneously performs model selection and parameter estimation. The computational cost of this method is negligibly small compared with standard approaches in the growth regressions literature. We apply this method for a regional dataset for the European Union covering the 255 NUTS2 regions in the 27 member states over the period 1995–2005. The results suggest that initial GDP per capita (with an implied convergence speed of about 1.5% per annum), human capital (proxied by the shares of highly and medium educated in the working age population), structural labor market characteristics (the initial unemployment rate and the initial activity rate of the low educated) as well as being a capital region are important for economic growth. 相似文献
992.
When consumers decide where to shop, they take several criteria into account. It is not yet clear whether private label (PL) quality is one of these criteria. It is the intention of this study to shed light on this issue because many retailers have invested heavily into the quality of their PLs. They assume that PLs differentiate a store's assortment and image, which should attract customers to the store. This study examines this assumption by use of a simultaneous equation model that links PL‐specific quality evaluations to perceptions of the image of the associated store as well as to the category‐specific share of store visits. Empirical results for 10 product categories show that PL quality positively affects store image perception, and influences consumers in the decision of where to shop. 相似文献
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The National Health Service (NHS) has entered a new world of managed competition, where the purchasing and provision of services are formally separated. Accompanying the changes are major investments in computer systems, which will continue for at least the first half of the 1990s. However, the performance of the NHS in implementing computer systems has been variable, so that now is an appropriate time to review the current status of NHS computing, and to consider the key issues for computing in the new environment. 相似文献
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This paper evaluates the empirical relationship between top executive turnover and firm performance. Based on a sample of the 460 largest UK listed companies during the period 1990–1998, we establish an inverse and robust statistical relation between the probability of a management change and a firm's performance: top executives are fired for poor performance. This can result from internal monitoring of management by the board or block share holders. Second, the data indicate that only very poor levels of performance affect significantly the turnover likelihood: corporate performance must fall dramatically to force a senior executive job separation. Third, the likelihood of managerial turnover for poor performance has not changed over time: today's senior managers face the same disciplining effects as those senior managers in earlier years. Finally, there seems to be no evidence that managerial stock ownership, measured as the proportion of ordinary shares owned by top managers, enables them to become entrenched. 相似文献
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Martin Everett 《Quality and Quantity》2011,45(5):1023-1024