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141.
Christian Grönroos 《Journal of Marketing Management》2013,29(5):347-360
The marketing mix and its 4Ps have remained the marketing paradigm for decades. In the article it is argued that the foundation for this paradigm is weak and that it has had negative effects on marketing research and practice. Contemporary research into services marketing and industrial marketing demonstrates that a new approach to marketing is required. This new approach is based on building and management of relationships. A paradigm shift in marketing is under way. The thoughts and actions of marketing academics and practitioners should not be constrained by a paradigm from the 1950s and 1960s. 相似文献
142.
Jördis Hengelbrock Erik Theissen Christian Westheide 《Journal of Business Finance & Accounting》2013,40(7-8):901-917
This paper reconsiders the effect of investor sentiment on stock prices. Our main contribution is that, in addition to the intermediate term return predictability, we also analyze the immediate price reaction to the publication of survey‐based investor sentiment indicators. We find that the sign of the immediate market response is the same as that of the predictability at intermediate time horizons. This is consistent with underreaction to cash flow news or with investor sentiment being related to mispricing. It is inconsistent with the alternative explanations of a rational response to cash flow news or sentiment indicators providing information about future expected returns. 相似文献
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144.
Christian Max Møller 《Scandinavian actuarial journal》2013,2013(2):169-184
Abstract In this paper asymptotic properties for the risk process will be studied when the number of risk units tends to infinity. The paper extends asymptotic properties for the classical risk process to more general processes. In the classical risk process the claim amounts are assumed independent and identically distributed, and the claim number process is a homogeneous Poisson process. The key tool is point process theory with associated martingale theory. The results are illustrated by examples. 相似文献
145.
Nuria Gamero Josep Espluga Christian Oltra Rosario Solá Jordi Farré 《Journal of Risk Research》2013,16(6):685-702
This paper examines the determinants of trust in public information on technological risk in a petrochemical complex located in Tarragona (Spain). Data from focus groups (eight) and a questionnaire survey (N = 400) are drawn together to analyse how two local communities exposed to major chemical hazards perceive information on risk and its sources. Results show how trust relies on two main factors, namely expertise and trustworthiness, that are significantly influenced by a third one, antagonism. Results also illustrate the relevance of the institutional context when understanding how communities give meaning to the available information on risk. 相似文献
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147.
The paper is concerned with the incorporation of polyhedral cone constraints on the virtual multipliers in DEA. The incorporation of probabilistic bounds on the virtual multipliers based upon a stochastic benchmark vector is demonstrated. The suggested approach involves a stochastic (chance constrained) programming model with multipliers constrained to the cone spanned by confidence intervals for the components of the stochastic benchmark vector at varying probability levels. Consider a polyhedral assurance region based upon bounded pairwise ratios between multipliers. It is shown that in general it is never possible to identify a center-vector defined as a vector in the interior of the cone with identical angles to all extreme rays spanning the cone. Smooth cones are suggested if an asymmetric variation in the set of feasible relative prices is to be avoided. 相似文献
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149.
Christian Schlag 《European Financial Management》1996,2(1):69-95
There is a significant increase in trading volume on quarterly futures expiration days in Germany. Delays in the opening for the majority of index stocks indicate that a large part of this extraordinary volume is indeed traded right at the opening of the market. an increase in trading activity is also observed over the 10-minute settlement period for index options. Volatility remains unchanged around the expiration of a futures contract. an increase is found for the 10-minute settlement period of DAX options. Return reversals as the measure for the economic costs of contract expirations are significantly higher when a futures contract expires at the open. When an option expires at the close no clear pattern for reversals can be found. 相似文献
150.