I've added 393 nodes and 562 edges to capture other supply / physics constraints as well.
There's no sign up, and no pay wall, it's all free.
Please let me know what you think!
For example, I recently discovered this site https://bomwiki.com/ which attempts to make a giant dependency graph of all the parts used to make large machines. This would not be possible without it being a wiki.
I don’t think this is true if finance is included in economics.
… unless of course by physics you also mean metaphysics.