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The role of reciprocation in social network formation, with an application to blogging

Gaudeul, Alexia; Giannetti, Caterina - 2012

This paper deals with the role of reciprocation in the formation of individuals' social networks. We follow the activity of a panel of bloggers over more than a year and investigate the extent to which initiating a relation brings about its reciprocation. We adapt a standard capital investment...

Persistent link: https://www.econbiz.de/10010291821

Practical experience in teaching inventory management with edublogs

Garcia-Sabater, Julio J.; Vidal-Carreras, Pilar I.; … - In: Journal of Industrial Engineering and Management (JIEM) 4 (2011) 1, pp. 103-122

Purpose: The aim of this paper is to analyze the utility of edublogs in teaching-learning process applied to postgraduate Courses. Particularly, it describes an experience carried out while delivering a Course offered to students, mainly Industrial Engineers, of a certain Master program....

Persistent link: https://www.econbiz.de/10011938962

Reciprocal attention and norm of reciprocity in blogging networks

Gaudeul, Alexia; Peroni, Chiara - 2010

Bloggers devote significant time not only producing content for others to read, watch or listen to, but also paying attention to and engaging in interactions with other bloggers. We hope to throw light not only on the factors that gain bloggers significant readership and lively interactions with...

Persistent link: https://www.econbiz.de/10010267090

Do followers matter? Quantitative success factors of sale enhancing product review blogs

Zimmermann, Robert; Thieme, Sascha - In: PraxisWISSEN Marketing 3 (2018) 01/2018, pp. 56-69

When analysing the impact of blogs on sales, previous research focused solely on qualitative factors (e.g. trust and … quantitative factors of 56 product review blogs. This analysis shows that only two of eight quantitative factors have a …Bei der Analyse des Einflusses von Blogs auf Abverkäufe beschränkten sich vorherige Untersuchungen hauptsächlich auf …

Persistent link: https://www.econbiz.de/10013270966

Student perceptions on using blogs for reflective learning in higher educational contexts

Ali, Irshad; Byard, Kevin - 2013

Increasingly, blogs are being used by educators in higher education for teaching and learning as they have numerous … pedagogical benefits. This study describes and analyses the use of blogs as a private journal or e-portfolio for an assessment in … their perceptions of blogs as an assessment tool, in particular ease of use and impact on learning and skills development …

Persistent link: https://www.econbiz.de/10012624242

An Artificial Stock Market: Asset Pricing and Endogenous Expectations using Neural Nets

Sommer, Joerg; Hanusch, Horst - 1998

In this paper the relatively new technique of neural nets is integrated in a traditional model of portfolio choice. On the basis of Arrow’s State Preference Model the investment decision depends on the expectation building process which consists of two components. The individual information...

Persistent link: https://www.econbiz.de/10010291745

Mixtures of t-distributions for finance and forecasting

Giacomini, Raffaella; Gottschling, Andreas; Haefke, … - 2007

We explore convenient analytic properties of distributions constructed as mixtures of scaled and shifted t-distributions. A feature that makes this family particularly desirable for econometric applications is that it possesses closed-form expressions for its anti-derivatives (e.g., the...

Persistent link: https://www.econbiz.de/10010293996

How Can Voters Classify an Incumbent under Output Persistence

Caleiro, António - 2008

The literature on electoral cycles has developed in two distinct phases. The first one considered the existence of non-rational (naive) voters whereas the second one considered fully rational voters. In our perspective, an intermediate approach is more interesting, i.e. one that considers...

Persistent link: https://www.econbiz.de/10010295273

Improving the pricing of options: a neural network approach

Anders, Ulrich; Korn, Olaf; Schmitt, Christian - 1996

In this paper we apply statistical inference techniques to build neural network models which are able to explain the prices of call options written on the German stock index DAX. By testing for the explanatory power of several input variables serving as network inputs, some insight into the...

Persistent link: https://www.econbiz.de/10010299651

Model selection in neural networks

Anders, Ulrich; Korn, Olaf - 1996

In this article we examine how model selection in neural networks can be guided by statistical procedures such as hypotheses tests, information criteria and cross validation. The application of these methods in neural network models is discussed, paying attention especially to the identification...

Persistent link: https://www.econbiz.de/10010299652

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