Waterworth, Christopher J. “Relearning the Learning Curve: A Review of the Derivation and Applications of Learning-Curve Theory.” Project Management Journal . March 2000.

Preparation for the learning curve is crucial. ... Another technique that alleviates the high cost of new products is to implement a business model based on lease or pay-per-use.

Learning rate is a measure of how much cost declines for each doubling of cumulative output, he said. This research into learning rates in the solar and wind industries began in early 2021.