The luxury business has been one of the fastest growing industries since the late 1990s. Despite numerous publications in management and business history, it is still difficult to have a clear idea of what “luxury” is, what the characteristics of this business are, and what the dynamics of the industry are. With no consensus on the definition of luxury among scholars and authors, the concept thus requires discussion. Luxury is commonly described as the high-end market segment, but the delimitation of the lower limit of this segment and its differentiation from common consumer goods are rather ambiguous. Authors use different terminology to describe products in this grey zone (such as “accessible luxury,” “new luxury,” and “prestige brands”). Despite the ambiguous definition of “luxury,” various companies have described their own businesses in this way, and consumers perceive them as producers of luxury goods and services. Research on luxury business has focused mostly on four topics: (1) the evolution of its industrial organization since the 1980s (the emergence of large conglomerates such as Moët Hennessy Louis Vuitton SE or LVMH, and the reorganization of small and medium-sized enterprises); (2) production systems (the introduction of European companies into global value chains, and the role of country of origin labels and counterfeiting); (3) brand management (using heritage and tradition to build luxury brands); and (4) access to consumers (customization versus standardization). Lastly, new marketing communication strategies have recently been adopted by companies, namely customer relations via social media and the creation of online communities.