Foreword: the bright side of social media / Ashesh Mukherjee -- Foreword: the dark side of social media / Leyland Pitt -- A framework for the dark side of social media -- A framework for the dark side of social media : from digital drama to digital over-engagement / Angeline Close Scheinbaum --...

Foreword: the bright side of social media / Ashesh Mukherjee -- Foreword: the dark side of social media / Leyland Pitt -- A framework for the dark side of social media -- A framework for the dark side of social media : from digital drama to digital over-engagement / Angeline Close Scheinbaum --...

This paper exploits the exogenous variation in wind directions to identify the causal effect of transboundary wildfire smoke on the real-time sentiment of Twitter users in Southeast Asia. We find that a one-standard-deviation increase in the difference between upwind and downwind fires reduces...