“Parkinson’s Heuristic” by Ben Pace

Parkinson's Law states that work expands to fit the space allotted. The idea being, if you give someone a month to write a report, they'll take a month, and if you give them a week, they'll take a week, and then they'll have three weeks to do three other reports! The one-week and four-week won't be identical, but in my experience it is surprisingly often a good 80/20 of the four-week version, and you get strictly more work out of people.

(I, myself, am a special case of "people".)

This is common knowledge, and the implied practical advice can be found in its dual:

To reduce the work spent on completing a task, reduce the time allowed for it.

A related question we might ask is: when is working on the task even worth it? It's famously the case that most work gets done just before a deadline. If we model the work getting compressed to the end with a pareto curve, the last 20% of the time produces 80% of the value.

It's often taken as inspiration, that one can be so productive, and productive-hackers try to make all of their time this productive. But one man's [...]

The original text contained 3 footnotes which were omitted from this narration.

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First published:
June 12th, 2026

Source:
https://www.lesswrong.com/posts/Pw2BAEP6iEoxAaTH4/parkinson-s-heuristic

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Narrated by TYPE III AUDIO.