PM Laws

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Across
  1. 3. A complex system that works evolved from a simple system that worked
  2. 4. Fast, cheap, good — pick two
  3. 6. Adding manpower to a late project makes it later
  4. 7. Interventions create unpredictable side effects
  5. 8. 80% of results come from 20% of causes
  6. 10. A system’s throughput is limited by its bottleneck
  7. 11. Systems mirror the communication structure of the teams that build them
  8. 12. In complex systems, cost and complexity grow faster than capability
  9. 13. Anything that can go wrong will go wrong
  10. 16. Network value grows with the square of its nodes
Down
  1. 1. Individual productivity decreases as team size increases
  2. 2. Work expands to fill the time available
  3. 5. When a measure becomes a target, it stops being a good measure
  4. 9. Teams spend disproportionate time on trivial issues
  5. 14. It always takes longer than you expect — even when you take this into account
  6. 15. People are promoted to their level of incompetence