Here are a few of the most relevant writings on CEO activism.
2018 Edelman Trust Barometer and Edelman’s Earned Brand 2018
Weber Shandwick’s CEO Activism in 2018: The Purposeful CEO and CEO Activism in 2017: High Noon in the C-Suite
Assessing the Impact of CEO Activism by Aaron Chatterji, Michael W. Toffel
The New CEO Activists, by Aaron Chatterji, Michael W. Toffel in Harvard Business Review
When CEOs Should Speak Up on Polarizing Issues by Alison Taylor, Harvard Business Review
2018 CEO Activism Survey by David F. Larcker and Brian Tayan, Stanford Graduate Business School