Computerworld - If you don't read past this first paragraph, remember just two things: You almost never move up a learning curve, only down. And the steeper the curve, the easier the learning.
Learning curves were first used by the aircraft industry in the 1930s. The Boeing Co. pioneered the discipline when it discovered that the cost to build new airplanes was highly predictable.
For example, it might cost $100 million to build the first copy of a new airplane, $80 million to build the second, $64 million to make the fourth, $51 million for the eighth and so on, with the unit cost falling 20% at every doubling of volume before reaching a plateau, say $15 million. The planes get cheaper to build as the company learns how to do it more efficiently. Workers work faster, make fewer mistakes and waste less material.
Plotting these production costs against units of production along a graph yields a learning curve that slopes from the upper left to the lower right. The steeper it is, the faster the person, project team or company is learning to produce that item or service.
When Down Is Up
Moving up the curve would represent negative learning, or forgetting, and wouldn't normally occur except perhaps in a company with an accelerating rate of employee turnover.
People often get the learning curve nomenclature backwards. For example, securities firm U.S. Bancorp Piper Jaffray Inc. in Minneapolis has a booklet on the Web titled, "Helping Investors Climb the E-Learning Curve." But it should be about descending the learning curve, not climbing it.
Even Boeing has gotten it wrong. In 1998, the Seattle-based firm delivered the aft fuselage of its third F-22 Raptor fighter three weeks ahead of schedule. But in the press release touting the achievement, the F-22 program manager quipped, "We're climbing the learning curve at a good rate."
Mankind has known that performance improves with practice since cave men made the second wheel. But what's surprising is how accurately performance can be predicted given early production data.
This can be crucial for a company like Boeing. It knows it can't price its new airplane at $100 million or even $50 million. But can it make a profit by pricing them at $25 million each? When will the company reach a break-even level of production, how much will it have lost up to that point, and how much profit will it make on planes built after that? Learning curves can help answer those kinds of questions.
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