I know just enough about ERP (and MRP and MRP II) to be dangerous. Maybe not even that much. I do know that lean does better and more easily what ERP/MRP tries to do but generally gets wrong: creating smooth flow and a consistent, effective production schedule, even in the face of continual change.
My friend Becky Morgan knows a lot more than I do. And she says it all better than I can. Here’s the proof.