The objective of this study is to measure the relationship between the digital information sources (Google, Yahoo and Encyclopaedia Britannica) and the turnover of the international art auction houses. The effect of the art turnover (estimated during the period 1997-2006) on the information sources (estimated on January 2007) was analyzed. The results showed a major influence of turnovers on the Net (mainly Google than Yahoo) than on the Encyclopaedia sources. Also, the information sources on the Net only affect the future art auction house’s turnovers (Google is more useful than Yahoo
