That chain has been broken by MF (it really broke back in 2008 with Lehman, Bear Stearns, and AIG, but trillions of dollars temporarily delayed its continuing collapse).
They also made several changes in the wake of NL MVP Ryan Braun having his 50-game suspension overturned based on the chain-of-custody being broken with this collected urine sample.
Probably his next most familiar passage is his Broken Window Fallacy, whereby a broken window caused by a thrown brick would lead to a chain of new spending that would stimulate the economy.