Convergent cross mapping (CCM)
a method for detecting causal relationship from a dynamical system with some couplings (e.g., ecosystems). Suggested in Sugihara2012detecting. See also Ye2015distinguishing.
Video: https://www.youtube.com/watch?v=NrFdIz-D2yM
It is used for detecting reciprocity between countries in Frank2018detecting.
Can this be used to study the funding landscape?