Hiring, and the filters ยท 4.7
Hiring from inside, and why it is rarer than it was
Hiring from inside, and why it is rarer than it was. What is actually the case, and how it compares with what is repeated.
A practical software reference for this part of the discussion is Monitask's overview of weekly timesheet template.
Every vacancy is filled from inside or from outside, and the two routes produce measurably different results. The evidence favours inside and practice has moved outside.
What the comparison shows
A study using detailed personnel records from an American financial services firm compared people promoted into a role with people hired into the same role from outside.
External hires were paid substantially more, around eighteen per cent in that setting. They received lower performance ratings for their first two years. And they were considerably more likely to leave.
After about two years the survivors were promoted faster, which is consistent with them being more able on paper and slower to become effective in a specific organisation.
Why the pattern makes sense
An internal candidate is known: their record is observed rather than claimed, and they already know how the organisation works, which is a substantial and invisible part of most jobs.
An external candidate must be paid a premium to move and arrives without any of that. Both effects are large enough to see in the data and neither is surprising once stated.
Why external hiring grew anyway
Because internal ladders were dismantled. Successive rounds of restructuring removed the intermediate rungs people used to climb, and the middle of many organisations is now thinner than it was.
Because pay became market-priced, in the sense of the entry on how wages are set, and market pricing makes an external candidate legible in a way an internal one is not.
And because hiring externally is somebody's job while developing internally is nobody's, which is a structural asymmetry rather than a preference.
The training consequence
An organisation that hires ready-made people does not need to train anybody, and every organisation reasoning that way collectively produces a labour market in which nobody trains and everybody complains about a skills shortage.
That is a coordination failure with a well-known shape, and it is usually described in public as a failure of the education system.
The entry-level problem
Advertisements requiring experience for roles described as entry level are the visible symptom. They are not irrational from any single employer's position: experience reduces risk and somebody else paid for it.
They are collectively self-defeating, and the mechanism is exactly the one above.
What good internal mobility requires
Vacancies visible to internal candidates before or alongside external posting. A manager who cannot block a transfer, which is the single biggest practical obstacle in most organisations. Defined routes between roles rather than an expectation that people find their own. And time counted as a cost of hiring rather than of losing.
The second is worth repeating. Where a manager can veto a good employee's move, internal mobility does not exist regardless of the policy, and the employee's route to progression becomes resignation.
What it costs to get wrong
The premium on external hires, the lower early performance, and the higher exit rate compound. An organisation filling most roles externally is paying more for people who take longer to become useful and leave sooner, and is doing it because the alternative requires deciding to.
The exception
When the organisation needs something it does not have. New capabilities, deliberate disruption of an entrenched way of working, or a function that does not exist internally.
Those are real reasons and they describe a minority of vacancies. The useful discipline is to say which of them applies before opening a role to the outside, and to notice how often the answer is none of them.
The signal a promotion sends
Filling a senior role from outside tells everybody below it what the ceiling is. Employers frequently underestimate how legible this is and how quickly it affects the retention of exactly the people they would have wanted to promote later.
The lateral move
Internal mobility is usually discussed as promotion, and sideways moves matter more. They spread knowledge between functions, they retain people who have stopped growing where they are, and they cost nothing in grade.
Organisations that track only vertical movement do not see them happening or not happening.
Counting it
The share of vacancies filled internally is a single number, cheap to compute, and most organisations do not know theirs. Knowing it changes the conversation from a principle to a measurement.
The role that is written for one person
A vacancy whose description matches exactly one internal candidate is a promotion with extra steps, and everybody can see it. Where the promotion is deserved, making it directly is more honest and considerably faster than staging a competition with a known outcome.
What this rests on
- The comparison of internal promotions and external hires using firm personnel records is published and reports the pay premium, early performance and exit rate differences described here.
- The decline of internal job ladders is documented in organisational and labour research across several decades.
- The training coordination problem is a standard result: individually rational under-investment producing a collective shortage.
For broader context, consult LinkedIn internal-mobility research.