About Productivity, Efficacy and Efficiency
Nick stated productivity as “having a shippable product”, and efficacy as generating something “useful”1, which I interpret differently.
I think Nick combine the definitions of productivity and effectiveness as a whole to illustrate his idea, but I’d like to keep them separate. Here’s the definitions for those three words:
- Efficiency: How many things can be done in a period, which are not necessarily influential?
- Effectiveness: How influential a work can be (in the future)?
- Productivity: How effective in a period?
Productivity has compound meanings which measure the number of jobs can be done and the influence to the future. I also prioritise efficacy over efficiency a lot in productivity since the works are meaningless if they don’t shift the future in a better way.
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