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Improving customer churn models as one of customer relationship management business solutions for the telecommunication industry
Slavescu, Ecaterina; Panait, Iulian - Volkswirtschaftliche Fakultät, … - 2012
Nowadays, when companies are dealing with severe global competition, they are making serious investments in Customer Relationship Management (CRM) strategies. One of the cornerstones in CRM is customer churn prediction, the practice of determining a mathematical relation between customer...
Persistent link: https://www.econbiz.de/10011107251
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Income-related health disparity and its determinants in New York state: racial/ethnic and geographical comparisons
Lahiri, Kajal; Pulungan, Zulkarnain - Volkswirtschaftliche Fakultät, … - 2007
Using self-assessed health status together with several indicators of individual morbidity and socio-demographic characteristics, we study the quality of health and income related health disparity in five racial/ethnic groups as well as across 17 geographic areas of New York State. The American...
Persistent link: https://www.econbiz.de/10008490470
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Smoking behavior in Vietnam: demographic and socioeconomic determinants
cuong, nguyen - Volkswirtschaftliche Fakultät, … - 2010
Smoking is a leading cause for diseases and death. Information on factors affecting the smoking status is useful for … policies on smoking reduction, especially in developing countries. This paper examines to what extent individuals …’ characteristics can affect the smoking status using a household survey in Vietnam. It is found that gender and age are the most …
Persistent link: https://www.econbiz.de/10009647446
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A methodology of estimation on air pollution and its health effects in large Japanese cities.
Hirota, Keiko; Shibuya, Satoshi; Sakamoto, Shogo; … - Volkswirtschaftliche Fakultät, … - 2011
) is analysed with a statistical method in this article; the correlation of air pollution reduction policy in Japan from …
Persistent link: https://www.econbiz.de/10011114330
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Fertility treatments and the use of twin births as an instrument for fertility
Braakmann, Nils; Wildman, John - Volkswirtschaftliche Fakultät, … - 2014
Twin births are often used as an instrument for fertility in models investigating the impact of family size on labour market and child outcomes. However, a large share of twin births (24% in our sample) are the result of fertility treatments, potentially causing twin births to be endogenous and...
Persistent link: https://www.econbiz.de/10011260898
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A simple procedure to estimate k structural parameters on conditionally endogenous variables with one conditionally mean independent instrument in linear models
Süß, Philipp - Volkswirtschaftliche Fakultät, … - 2015
The following note proposes a simple procedure to estimate k parameters of interest in a linear model with potentially k conditionally endogenous variables of interest and m endogenous control variables in the presence of at least one instrumental variable under the assumption of conditional...
Persistent link: https://www.econbiz.de/10011166058
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The Mean Reversion Stochastic Processes Applications in Risk Management
Radkov, Petar - Volkswirtschaftliche Fakultät, … - 2010
In this study we investigate using the mean reversion processes in financial risk management, as they provide an good description of stock price uctuations and market risks. This paper does not aim at being exhaustive, but gives examples for practically implementable models allowing for stylised...
Persistent link: https://www.econbiz.de/10011107602
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Military Expenditure, Endogeneity and Economic Growth
d'Agostino, Giorgio; Dunne, John Paul; Pieroni, Luca - Volkswirtschaftliche Fakultät, … - 2013
The debate over the economic effects of military spending continues to develop, with no consensus, but a deepening understanding of the issues and limitations of previous work. A recent survey has suggested that the inclusion of post Cold War data has tended to make finding a negative effect...
Persistent link: https://www.econbiz.de/10011108680
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The Effectiveness of Competition Policy: An Econometric Assessment in Developed and Developing Countries
Samà, Danilo - Volkswirtschaftliche Fakultät, … - 2013
The ultimate objective of the present paper is to empirically investigate the effectiveness of competition policy in developed and developing countries. Although its importance is continuously increasing, the effectiveness of competition policy still seems to lack the attention that it would...
Persistent link: https://www.econbiz.de/10011109090
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Environmental Quality and Economic Growth: A Panel Analysis of the "U" in Kuznets
F. Akpan, Usenobong; E. Abang, Dominic - Volkswirtschaftliche Fakultät, … - 2014
The primary motivation behind this study was to search for evidence of the link between environmental quality and economic growth so as to answer the relevant question of whether economic growth alone could serve as a long-run solution to environmental damage as implied by EKC hypothesis. Here...
Persistent link: https://www.econbiz.de/10011110297