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排序方式: 共有383条查询结果,搜索用时 15 毫秒
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Alpaslan Akay Olivier Bargain Klaus F. Zimmermann 《Journal of economic behavior & organization》2012,81(2):421-441
As their environment changes, migrants constitute an interesting group to study the effect of relative income on subjective well-being. This paper focuses on the huge population of rural-to-urban migrants in China. Using a novel dataset, we find that the well-being of migrants depends on several reference groups: it is negatively affected by the income of other migrants and workers of home regions; in contrast, we identify a positive, ‘signal’ effect vis-à-vis urban workers: larger urban incomes indicate higher income prospects for the migrants. These effects are particularly strong for migrants who wish to settle permanently, decline with years since migrations and change with other characteristics including work conditions and community ties. 相似文献
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Jochen Legewie 《International Journal of Human Resource Management》2013,24(6):901-919
This paper analyses the international management control (IMC) system that Japanese multinational companies (MNCs) employ to co-ordinate the activities of their subsidiaries in China. It focuses on the role of Japanese expatriates in this IMC system and assesses their performance. In the process, it offers a comprehensive evaluation of the organizational fit of the Japanese IMC model within the current Chinese business environment. Taking Japanese firms as the subject, the analysis identifies areas of incongruity and explains the underlying reasons for problems with expatriate-focused IMC models. In doing so, this paper argues that the Japanese expatriate-based control system in China (as in many other parts of the world) continues to be characterized by an insider-outsider mentality that prevents a real internationalization of overseas operations in the 'transnational' sense. 相似文献
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Alexander Kling ; Andreas Richter† ; Jochen Ru߇ 《The Journal of risk and insurance》2007,74(3):571-589
This article analyzes the numerical impact of different surplus distribution mechanisms on the risk exposure of a life insurance company selling with profit life insurance policies with a cliquet‐style interest rate guarantee. Three representative companies are considered, each using a different type of surplus distribution: a mechanism, where the guaranteed interest rate also applies to surplus that has been credited in the past, a slightly less restrictive type in which a guaranteed rate of interest of 0 percent applies to past surplus, and a third mechanism that allows for the company to use former surplus in order to compensate for underperformance in “bad” years. Although at the outset all contracts offer the same guaranteed benefit at maturity, a distribution mechanism of the third type yields preferable results with respect to the considered risk measure. In particular, throughout the analysis, our representative company 3 faces ceteris paribus a significantly lower shortfall risk than the other two companies. Offering “strong” guarantees puts companies at a significant competitive disadvantage relative to insurers providing only the third type of surplus distribution mechanism. 相似文献
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Alexandra Zimmermann 《Heilberufe》2011,63(11):50-51
Vorbereitung auf die Qualit?tsprüfung — Steht der MDK unangemeldet vor der Tür, kommt es unter den Mitarbeitern h?ufig zu
Unsicherheiten, die sich negativ auf die Prüfung auswirken k?nnen. Doch durch klare Aufgabenverteilungen und einen „Handlungsleitfaden“
legen Sie und Ihre Mitarbeiter den Grundstein für ein gutes Prüfungsergebnis. 相似文献
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Hans Georg Zimmermann Ralph Grothmann 《International Journal of Intelligent Systems in Accounting, Finance & Management》2005,13(1):33-40
This paper introduces a stock‐picking algorithm that can be used to perform an optimal asset allocation for a large number of investment opportunities. The allocation scheme is based upon the idea of causal risk. Instead of referring to the volatility of the assets time series, the stock‐picking algorithm determines the risk exposure of the portfolio by concerning the non‐forecastability of the assets. The underlying expected return forecasts are based on time‐delay recurrent error correction neural networks, which utilize the last model error as an auxiliary input to evaluate their own misspecification. We demonstrate the profitability of our stock‐picking approach by constructing portfolios from 68 different assets of the German stock market. It turns out that our approach is superior to a preset benchmark portfolio. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
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