Crowdsourcing platforms - such as Vivino - that aggregate the opinions of large numbers of amateur wine reviewers represent a new source of information on the wine market. We assess the validity of aggregated Vivino ratings based on two criteria: correlation with professional critics' ratings...

This study examines how crowdsourcing can support innovation in companies. It focuses on the Not Invented Here (NIH) syndrome-a reluctance to adopt external ideas-that varies depending on which organizational boundaries are considered, such as power, competence, and culture. By analyzing how...