| No |  
   Authors |  
   Sample |  
   ESG  |  
   Findings |  
  
 
   
   | 1 |  
   Guo et al. (2021) |  
   8,585 firm-year observations on US companies for the year 2006-2013 |  
   CSR disclosure  |  
   Professional qualification (+), age (-), tenure (n.s.), education (n.s.), gender (n.s.), outside hiring (+) |  
  
 
   
   | 2 |  
   Wang et al. (2021) |  
   482 US companies with CFO transitions for the year 2006-2015 |  
   Environmental management net index |  
   Gender (+) |  
  
 
   
   | 3 |  
   Alrazi et al. (2018) |  
   201 Malaysia companies for the year 2016 |  
   Corporate water reporting |  
   Tenure (n.s.), education (+), professional qualification (n.s.), age (n.s.), gender (n.s.) |  
  
 
   
   | 4 |  
   Sun et al. (2015) |  
   358 US companies for the year 2005 |  
   Corporate governance concerns score  |  
   Professional qualification (-), education (n.s.), age (n.s.), tenure (n.s.) |  
  
 
   
   | 5 |  
   Sun & Rakhman (2013) |  
   258 US companies for the year 2005 |  
   KLD-based CSR index score |  
   Tenure (+), education (n.s.), professional qualification (n.s.) |