From: Does supplier concentration matter to investors during the COVID-19 crisis: evidence from China?
(1) | (2) | Dif. (2) - (1) | |
---|---|---|---|
High supplier concentration | Low supplier concentration | ||
Three-day cumulative raw returns | (N = 504) − 12.962% | (N = 504) − 11.703% | − 1.259% (− 2.23)** |
Five-day cumulative raw returns | (N = 504) − 10.355% | (N = 504) − 8.379% | − 1.976% (− 2.93)*** |