Free interactive learning tool

The Slow Water Heater

Turn the tap, nothing happens, turn it further, scald yourself, overcorrect, freeze. Once you have felt it in a shower you understand quarterly staffing decisions — and most other management of anything that lags.

Guess first — you are doing everything right

A backlog builds up. You respond correctly: you add capacity, in proportion to how bad it is. Your response is sensible, measured and in the right direction every single time. The only complication is that capacity takes three months to arrive. What happens to the backlog?

The shower — turn the tap and wait
Show the backlog as a table
Backlog by quarter
WeekBacklogCapacity
What the structure does
0 wks
How long between deciding to add capacity and it being useful.
0.50
Higher is more decisive. It is also, with a delay, worse.
Where this bites — every lagging metric you manage by
Hiring

Boom and freeze

Six months from approval to productivity. So you hire into a problem that has grown, arrive late with too many, then freeze. The cycle is the structure, not the CFO — and it repeats through changes of leadership.

Supply chain

The bullwhip

Small demand wobbles become enormous swings upstream, because every tier responds to a delayed signal from the tier below. Nobody in the chain is behaving irrationally and the whole thing thrashes anyway.

Quality

Crackdown and drift

Defects surface months after the shortcuts that caused them. So the crackdown lands long after the behaviour changed, punishing whoever is there now, and the standard drifts back the moment attention moves on.

The fix

Shorten it or damp it

You have two levers and neither is trying harder. Shorten the delay — faster feedback, smaller batches — or respond more gently and tolerate being wrong for longer. Decisiveness into a long delay is what causes the swing.

A delay turns a sensible policy into a swing. That is not a failure of nerve or discipline: the correction always arrives sized for a problem that has already moved. When you find an organisation lurching between boom and freeze, do not look for the person overreacting — look for how long it takes them to find out. You have exactly two levers, and neither of them is trying harder: shorten the delay, or respond more gently.