Do you mean something like a "causal loop diagram" as mentioned in this article? https://www.transentis.com/understanding-the-beer-game/en/
(albeit at a larger scale and with more products and filter-by-country)
(albeit at a larger scale and with more products and filter-by-country)
During peak covid vaccine ramp up, special plastic bags used in vaccine production were single source. So were the lipids and the factory to encapsulate the vaccine.
We saw mask and gown shortage, oxygen shortage, needle shortage.