This paper proposes to clarify the concept of business model, its usage and how it can contribute to the firm's value creation. The literature review shows a board diversity of definitions and application complexity in the firm. The paper identifies the emergence of the business model and how it evolves to the "e-Business model" with commercial development of Internet. Then, it exposes the general typology, roles and the evolution of business model in recent years, whether in quantity or quality studies. Finally, the connection between the business model concept and the company's performance is explained by the analysis of some recent studies. We also illustrated this relationship through comparing the business model of internet banks and the business model of the traditional banks.

Résumé Face au faible pourcentage d’utilisateurs de services d’Internet Banking (IB) qui achètent des produits financiers en ligne, plusieurs études professionnelles ont essayé d’apporter des éléments pour expliquer ce phénomène ainsi que la fidélité aux services d’IB. Notre recherche s’inscrit dans cette perspective en s’interrogeant sur la satisfaction et la fidélisation aux services d’IB mais également sur la manière dont ces services contribuent globalement à la fidélité à la banque. Notre étude empirique a permis d’identifier les déterminants de la fidélité aux services d’IB, et en particulier, les antécédents principaux de l’engagement. Ainsi, si la satisfaction et la confiance jouent un rôle essentiel dans le processus de fidélisation aux services d’IB, cette dernière ne semble pas avoir d’impact sur la fidélité globale à la banque.

This paper examines changes in profitability of 146 CVC listed on the French market. The results show disappointing post-IPO profitability. The decline in performance ranges from 9.5% to 32% over a two-year period following the launch on the stock exchange. It also appears that the decline in operating performance is less significant for CVC compared with non CVC over the same period. An analysis of this underperformance shows that CVC supported by reputed VCF manage to limit the decline in operating performance compared to those supported by non-reputed VCF.

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