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Philipp Grätzel von Grätz 《Heilberufe》2011,63(12):50-52
Tansanische Krankenschwestern im mobilen Einsatz — Tansania ist eines der ?rmsten L?nder der Erde. Und nur in drei L?ndern
weltweit gibt es mehr HIV-Infizierte. Mit internationaler Hilfe werden in vielen Regionen Versorgungsprojekte initiiert und
Therapiezentren gegründet. Seit 2007 gibt es au?erdem ein nationales HIV-Programm. Dadurch gelingt es, das Tabu um HIV langsam
aufzubrechen. Doch der Weg zur Eind?mmung der Epidemie ist mühsam. 相似文献
74.
Philipp E. Otto Greg B. Davies Nick Chater Henry Stott 《Journal of Retailing and Consumer Services》2009,16(1):10-18
In customer segmentation, a common strategy is to use individual differences as a predictor of future behavior. Recent advances in data management in large financial institutions give an unprecedented and potentially powerful source of data for identifying such differences. We show that spending data can substantially help target the direct marketing of financial products, and constitutes new information, not captured by demographics. In particular, a systematic combination of this independent source and more traditional measures can enhance the predictive power of marketing research and improve the relationship with customers as illustrated in a direct mailing selection method which substantially raises response rates. 相似文献
75.
How ethical have recent banking practices been? We answer this question via an economic analysis. We assess the two dominant practices of the modern banking system – fractional reserves and maturity transformation – by gauging the respective rights of the relevant parties. By distinguishing the legal and economic differences between deposit and loan contracts, we determine that the practice of maturity transformation (in its various guises) is not only ethical but also serves a positive social function. The foundation of the modern banking system – the holding of fractional reserves against deposits – is, however, problematic from economic, legal and ethical perspectives. Starting from a microanalysis of money's function, a reassessment of the current laws concerning the practice is encouraged, with the aim not only to rectify economic irregularities but also to realign depositors' rights with the obligations of the banking sector. 相似文献
76.
We study a price competition game in which customers are heterogeneous in the rebates they get from either of two firms. We characterize the transition between competitive pricing (without rebates), mixed strategy equilibrium (for intermediate rebates), and monopoly pricing (for larger rebates). 相似文献
77.
Ingo Geishecker Philipp J. H. Schrder Allan Srensen 《The Canadian journal of economics》2019,52(1):93-131
Isolated single‐month, one‐off export transactions (observed once in a 49‐month window) turn out to be the dominant spell length in granular firm–product–destination trade data. Moreover, on average, for an export‐active firm, such one‐off events generate a significant part of foreign sales. These patterns cannot be explained by the lumpiness of trade (e.g., seasonal shipments), nor do they sit well with available trade models. To reconcile theory with the data, we introduce passive (i.e., unsolicited buyer‐side driven) exporting in addition to proactive exporting. Our empirical investigation establishes novel stylized facts on firm and destination characteristics associated with one‐off exporting. 相似文献
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Timm O. Sprenger Philipp G. Sandner Andranik Tumasjan Isabell M. Welpe 《Journal of Business Finance & Accounting》2014,41(7-8):791-830
This study presents a methodology for identifying a broad range of real‐world news events based on microblogging messages. Applying computational linguistics to a unique dataset of more than 400,000 S&P 500 stock‐related Twitter messages, we distinguish between good and bad news and demonstrate that the returns prior to good news events are more pronounced than for bad news events. We show that the stock market impact of news events differs substantially across different categories. 相似文献
80.
Philipp Pohl 《保险科学杂志》2008,97(3):343-370
In this paper we analyse the importance of the balanced scorecard parameters for the company value. Thus the relevance of the balanced scorecard parameters for the economic success of the company can be accurately quantified. Furthermore optimal value based management rules can be derived. The regression model is thereby defined for companies of any industry sector and then applied for a company of the insurance sector. The importance of the balanced scorecard parameters is estimated using the maximum likelihood method. The parameters are analysed with respect to their statistical significance. Classical and generalized linear regression models are applied. As the result the management can identify the most relevant parameters of the balanced scorecard and manage the company on the basis of these value drivers. 相似文献