Answer:
In this scenario, Greg's actions exemplify social loafing.
Step-by-step explanation:
Greg's action are exemplifying the term social loafing. In social psychology, social loafing is used to refer to individuals who, when working in groups, exert less effort. It offers an explanation as to why some groups can be inefficient. There are people who present this tendency to not work hard when they know others are working. They are less effective and productive when working in a group than they are when working by themselves and when they are responsible for their own results and productivity.