The impact of Internet on the artist reputation

[EN] This work analyzes the relationship between the digital information provided by the search engine Google on the Internet and the volume of sales or revenues in the art market in order to quantify the variable artist's reputation. In particular, the usefulness of digital media information is analyzed to interpret past sales in the art market or, conversely, to estimate future sales in the short term. Finally, we study the ability of digital information to explain the volume of activity (number of lots sold) or what is the same the degree of liquidity of the secondary market of artworks.