A new study from the Cornell School of Hotel Administration details that hotel reviews posted on social travel websites, such as TripAdvisor and Travelocity, positively impact a guest’s willingness to book reservations at a premium rate for a reviewed hotel.
“The Impact of Social Media on Lodging Performance,” by Chris K. Anderson found that the number of reviews as well as the willingness of consumers to assign credibility to hotel reviews has increased over time. Anderson also found that a 1-point increase on Travelocity’s review scale – such as increasing a hotel’s review from 3.3 stars to 4.3 stars – drives an 11.2 percent premium in a hotel’s rate, while still maintaining occupancy and market share.
Given these results, it’s increasingly clear that hoteliers must dedicate resources to monitoring their social reputation, actively review online hotel reviews and invest further in guest experiences on-property to create engaged guests. (Read more on who writes hotel reviews)
Beyond Travelocity, Anderson determined through regression analysis that a 1-percent gain in a hotel’s social media reputation is worth 0.89% in average rate lift and a 1.42 percent increase in RevPar. 
The full social media impact study is available online from the Cornell School of Hotel Administration.