Improved consumer information about horizontal aspects of products of similar quality leads to better consumer matching … but also to higher prices, so consumer surplus can go up or down, while profits rise. With enough quality asymmetry …, though, the higher-quality (and hence larger) firm's price falls with more information, so both effects benefit consumers …

addition, in recent years, the competition between these various brands with national brands invite to use many quality cues … with the aim of improving the quality perceived by client. We question the appropriateness and effectiveness of this … strategy of marking quality. An experiment shows that national brands are perceived as equivalent in quality to that of premium …

The aim of this paper is to discuss the theoretical framework of quality management. We propose a conceptual model … based on the convention theory. This framework enables to understand the quality as a social construct, but also the reasons … why quality is managed by institutions. In this perspective, we demonstrate that the codes of deontology may be …