Assuming a lunch break is not included as part of 8 hours, do you really think most exmployees are productive for a full 8 hours?
Most office workers spend an exorbitant amount of time twiddling their thumbs, reading emails, going to the restroom. On average, I'd say knowledge workers are typically productive for about 2 to 3 hours per day. I'd estimate physical laborers range up to 4 or 5 hours.
Assuming 8 hours of full productivity is a strange number to focus on
It really depends. For Finland lunch is unpaid unless you are forced to eat at premises. But then you usually have 2 refreshment breaks (10-15min) which are paid...
Most office workers spend an exorbitant amount of time twiddling their thumbs, reading emails, going to the restroom. On average, I'd say knowledge workers are typically productive for about 2 to 3 hours per day. I'd estimate physical laborers range up to 4 or 5 hours.
Assuming 8 hours of full productivity is a strange number to focus on