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My understanding is that the world has two different agreed upon metrics. We have one definition that was a effectively a rule of thumb for the uneducated, unwa
by PuppyTailWags 4y ago
My understanding is that the world has two different agreed upon metrics. We have one definition that was a effectively a rule of thumb for the uneducated, unwashed masses. Then we have one that actual experts use when investigating actual policy that would affect those masses.
- bcassedy 4y agoThis is correct. I believe some other countries do use this rule of thumb for their official purposes, but the US never has.