This study adopted Rogers' diffusion of innovation model to investigate the adoption of three social media with high penetration in Taiwan-Facebook, Line, and email. Special attention was paid to identifying the factors that differentiated the non-adopters (who did not adopt any of the three...

On Wikipedia, the largest online encyclopedia, editors who contribute to the same articles and exchange comments on articles’ talk pages work in collaborative manner engaging in communication about their work. Thus they can be considered as peers who are likely to influence each other. In this...

We document a causal influence of online user-generated information on realworld economic outcomes. In particular, we conduct a randomized field experiment to test whether additional information on Wikipedia about cities affects tourists' choices of overnight visits. Our treatment of adding...