The Critical Path Method (CPM) is commonly used for construction scheduling. It compares construction tasks, prioritizes them based on their impact on the schedule, and identifies the critical path.

A commentary on what’s happened in critical path method (CPM) scheduling and planning since 2003.

Did inflation and all the trouble that came with it contribute to the development and wild success of critical path method scheduling software programs in the early 1980s? I can't say with certainty.