https://en.wikipedia.org/wiki/Total_factor_productivity https://en.wikipedia.org/wiki/Total_factor_productivity is my definition, as it's the one that actually

https://en.wikipedia.org/wiki/Total_factor_productivity https://en.wikipedia.org/wiki/Total_factor_productivity is my definition, as it's the one that actually gets talked about in the press (as opposed to the nebulous "productivity" beloved of tech people (including me)).