How universal this model is, can be seen by an example I used in your former post. (climateofsophistry.com)
There's no one universal model for these policies, but they generally involve one of two things: a requirement that developers either make a certain percentage of their housing units available at below - market rates, or that has them pay a fee into a fund for affordable housing. (businessinsider.com)
Combining the fingerprints with machine learning allowed the creation of universal models capable of accurately predicting eight critical electronic and thermomechanical properties of virtually any inorganic crystalline material. (sciencedaily.com)