Hollenbeck, Brett; Moorthy, Sridhar; Proserpio, Davide - 2017
TripAdvisor reviews with other datasets describing these hotels' advertising expenditures, we show, first, that online ratings … have a causal demand-side effect on ad spending. Second, this effect is negative: hotels with higher ratings spend less on … advertising than hotels with lower ratings. This suggests that hotels treat TripAdvisor ratings and advertising spending as …