Homophily, Group Size, and the Diffusion of Political Information in Social Networks: Evidence from Twitter
---- Acknowledgements ----
We are particularly indebted to Zack Hayat for getting this project off the ground and providing continual advice. We thank seminar participants at UC-Berkeley, CU-Boulder, Michigan State, Stanford, Toronto, the National University of Rosario, the Central Bank of Colombia and the 2014 Media and Communications Conference at Chicago-Booth. Ashwin Balamohan, Max Fowler, Kristopher Kivutha and Somang Nam jointly created the infrastructure to obtain the Twitter data used in this paper, and Michael Boutros helped design the MTurk surveys we used to analyze the content in tweets. Dylan Moore provided outstanding research assistance. Special thanks to Darko Gavrilovic, the IT consultant at Toronto, who facilitated the data work for this project, and Pooya Saadatpanah for providing computing support. We gratefully acknowledge financial support from the Social Sciences and Humanities Research Council of Canada. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.