(There are some fractions right here, please persist. It’s price it.)

Think about that you’ve a every day drive. Half of it by distance is on dust roads the place your automobile can drive 10 miles an hour. And half of it’s on a great street the place you’ll be able to drive 50 miles an hour.

Which is a more sensible choice: Buying and selling your automobile in for one that may drive 22 miles an hour on the dust street however no higher on the freeway? Or one that may do no higher on the dust street however 200 miles an hour on the freeway?

OR!

Think about that your manufacturing unit has two sorts of machines, all absolutely busy. Half of them can course of metal with an accuracy price of two in 10. The opposite half can do it with 80% accuracy. Which is a greater funding: Tuning the awful machines into 30% accuracy or making the newer machines excellent, with no errors in any respect?

And eventually, what’s the easiest way to enhance fleet mileage? To get the 14 mile per gallon Hummers to improve to Toyota Camrys, or to get the Camrys to transform to infinite mileage electrical automobiles?

In all three instances, as a result of you’ll be able to’t common averages, the reply is to enhance the laggards.

Right here’s the arithmetic if you happen to’re curious.

And we ought to be curious. As a result of it feels safer, extra productive and simpler to go after the units or techniques or folks that appear to be so near getting it proper. Nevertheless it’s the laggards that price us probably the most.