This chapter summarizes several empirical studies in finance, undertaken through the prism of the graph theory. In these studies, we built graphs in order to investigate integration and systemic risk in derivative markets. Several classes of underlying assets (i.e. energy products, metals,...

For a Gaussian time series with long-memory behavior, we use the FEXP-model for semi-parametric estimation of the long-memory parameter $d$. The true spectral density $f_o$ is assumed to have long-memory parameter $d_o$ and a FEXP-expansion of Sobolev-regularity $\be 1$. We prove that when $k$...

Purpose – Using Keller's brand equity framework, the purpose of this paper is to investigate the impact of the firm's environmental communication on brand equity, and specifically its impact on brand image, through the strength and favourability of brand environmental associations....

With their ubiquity, mobile information systems (IS) may be used in ways that challenge the dynamics of organisational control, forcing IS scholars to revisit the panopticon metaphor and possibly offer new conceptual tools for theorising about information technology (IT)-based organisational...

Recent history has not favoured China with a stable legal and regulatory environment. Instead, personal connections – guanxi – enabled individuals and their networks access to support and resources. As the clarity of laws improves, functioning markets established and mechanisms for...

Several assessments of vulnerability and resilience have been attempted at a country level through composite indices but they are barely in accord with a holistic view of sustainable development. We suggest graph theory to structure a network of variables that depict vulnerability and resilience...

Analyse les conséquences de l'introduction des nouvelles technologies auprès des industries, des services et des produits : entrée de nouveaux concurrents, changement des positions concurrentielles, redéfinition du métier et transformation des actifs valorisés.

This paper provides an overview of the knowledge available to date on market fragmentation and its consequences, with a specific focus on the European experience. Since the implementation of MiFID1 on 1 November 2007, market fragmentation has considerably increased in European stock markets...