There's also the hours vs productivity issue. Managers STILL would rather you were less productive but in the office for more hours. Even though it makes no sense.
With a salary it's often implied that you'll be there until the job is done and 9-5 is a minimum. So to negotiate hours is like saying "can I do less work for the same money?"
I always find myself happier in a job where I can negotiate my hourly rate and my weeks work can fluctuate.
I fought really hard at my last contract to get a 35 hour week over 4 days. It lasted a while and then they said they needed me to be there 5 days - still 35 hours though. They gained nothing except to distrupt my work/life balance.
It really gets me how some people come in super early but then spend their day actively avoiding work.
In my shorter working week I fixed more issues, took more calls, worked through every job role in the department, built a productivity system to actually prove what we were achieving and presented 2 ideas to save the company £200k every year (they're implementing them now)
Yet those that punch the clock and rack up the hours are preferred!
This is also why people crunch, and demand over time. Productivity goes down, but each individual hour worked is still better than getting some fool off the street.
There are other contributing "signaling" effects which are postulated, e.g. if you tell a future employer you only want to work 20 hours they take this as a sign that you are lazy or not committed. These signaling effects result in an inefficient market (i.e. a non-optimal work schedule is negotiated) and have been used to justify government intervention. It seems surprising that signally effects could be this large, but people also argue that most college educations are essentially zero value-added and serve only signaling functions as well. I've been influence a lot by economist Robin Hanson in this direction, and you can find to read from him.
Lots of disagreement among academics, though, so take it with a grain of salt.
I think that it rather obvious that people are comfortable with accepting the status quo. 9-5 is the standard workday. Because it is the "standard" people do not question it.
Going back to the original question, it is not a bad idea to negotiate work week hours.
I always negotiate work week hours. If a job requires that I show up at a certain time, I don't take the job. The job needs me. I do not need the job. As long as I ship, they should not care when I show up or don't show up.
It is an antiquated belief system that dictates work hours.
Sliding my working hours by two hours (now starting at 7 io 9)allowed me to save 200euros/m on train tickets.
Way easier to agree on that with the bosse than to discuss a 200e/m additional raise :).
Best deal I ever made imho.
(I live 1h from work)
Also, there are times when teamwork does require concurrent attendance. But... that's not what I'm talking about, below.
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Appearance.
Many of us are familiar with the advantages "attractive" people accrue in various situations (including employment, not infrequently -- speaking generally).
Well, appearance matters also in matters of attendance. (And dress, and a few other things, for that matter.)
If you aren't in your chair during the "prescribed" hours, your boss may feel it makes them look bad. And, they may be right. Whether "timely attendance" improves your actual performance may be secondary to this concern, from the organization's perspective.
(Many here might argue it's actually counter-productive to their performance. But... that's not primary to the organization. Yep, that's right -- it's not primary to the organization.)
Plus, they may well think that "if we do it for one person, we'll have to do it for all people".
Ever notice how organizations are very circumspect about what they pay their employees? (I mean, particularly, within the organization. And yes, the question is largely rhetorical.)
Well, it's similar with hours. Only, other employees can "see" the "allowances" made to you. The organization is afraid they'll start asking for -- or insisting upon -- the same.
At which point, you need a significantly different organizational model -- one that can handle flex hours and/or offsite workers and all that.
They're not going to tackle that, just for your. And many managements won't tackle it until they're dragged into it, kicking and screaming. (Business management, for the most part, is a very conservative activity and mindset.)
P.S. Personally, I've watched many employees talk away literally hours of their workdays -- chitchat with coworkers, on the cell phone, etc. And I've cleaned up a lot of their messes.
But, they were in their chairs on time, and they "tried". And they towed the line -- whatever line -- their managers espoused. And that was often, ultimately, more valued and rewarded than high, but non-standard, performance.
P.P.S. I guess one might think or argue that when hours are formally negotiated, the provides some explanation and shelter for the boss.
However, many organizations don't provide middle management with the authority to negotiate hours. And... I recall from my own experience more than one memo coming down from senior management that stated the likes of: "No more virtual work plans"; "Acceptable starting hour range changed from [this range] to [smaller range]"; etc.
It may be "easier" to pay you more (or less) -- generally non-public or non-publicized information -- than to let you be consistently absent when others are expected to be present.
Appearance.