Certainly 1 and 2 but I believe younger people are more likely to work longer hours because they are less likely to have families. Even if you didn't have fami

Certainly 1 and 2 but I believe younger people are more likely to work longer hours because they are less likely to have families. Even if you didn't have family obligations I think when people get older they are less impressed with beer in the kitchen and ping pong tables and would rather not be in the office after 7:00PM.