The construction of formal models that deal with space observed a huge increase since the late 1980s. As Fujita et al. (1999) stress, the field of regional economics experienced a revival with the emergence of new analytical tools such as the diffusion of imperfect competition models, networks...

The dissertation includes four studies broadly connected to the causes and consequences of the Global Financial Crisis of 2007-8 from a political economy perspective. Following the intro-duction, Chapter 2 analyzes the political roots of massive foreign reserves accumulation, which has...

We retraced the development of the network of those who participated in the 9/11 attacks through four stages: 1998-99, December 2000, May 2001 and August 2001. We established that throughout its development, the network had the characteristics of a small world. The implications of this result...

Tags and keywords, freely chosen by users for annotating resources, offer a new way for organizing and retrieving web resources that closely reflect the users’ interests and preferences, as well as automatically generate folksonomies. Social tagging systems have gained increasing popularity as...

The construction of formal models that deal with space observed a huge increase since the late 1980s. As Fujita et al. (1999) stress, the field of regional economics experienced a revival with the emergence of new analytical tools such as the diffusion of imperfect competition models, networks...

In this study, we develop a theoretical model based on social network theory to understand how the collaboration (co-authorship) network of scholars correlates to the research performance of scholars. For this analysis, we use social network analysis (SNA) measures (i.e., normalized closeness...

One of the important characteristics of Web2.0 is the collaboration between Web2.0 service providers. They allow users (i.e., providers, developers, consumers) to combine their services. The prerequisite for this collaboration is openness of the Web2.0 service system. Although the Web2.0...

The dissertation includes four studies broadly connected to the causes and consequences of the Global Financial Crisis of 2007-8 from a political economy perspective. Following the intro-duction, Chapter 2 analyzes the political roots of massive foreign reserves accumulation, which has...

In a social network people are connected by relationships, business purpose or transaction activity. The increasing demand of social network analysis and how to improve the architecture is of utmost importance for the organizations who are regularly trying to improve the service through social...

User-Generated Content characterizes the interactions between companyand customers. Comments and contributions provided by customersin social media platforms represent a relevant input for companies'marketing decisions. A firm cannot avoid this interaction with its customerswithin social media....