Former head of research for a special sits/arb shop in New York. I founded a business of Document in Augmented Media you might be a user already, who knows.
Quantiative tighening of large proportion has 2 problems. First it is the same thing has pushing bad debt into bankruptcies, second it makes the cost of borrowing for the Government rise a lot.
When the central bank cost of sterilization of reserves to prevent the behavior described above is HIGHER than the interests received, it is the beginning of the end because the Central Bank has to print the difference.
Negative real rates are stimulative, during Weimar, corporations would buy hard assets and borrowing against it, as currency borrowed was better than free, they were getting paid to do the arbitrage.
An external shock, war, embargo, drought, can trigger a vicious circle where inflation expectations rise, making cost of capital higher, and hence cost of capital and productiong higher (John Fullarton).
Inflation is when you have a lot of bad credit on Central Banks. Why? Central Banks can not default but they can go print to the moon. But what are the catalysts?
Deflation is when you have a lot of bad credit on commercial banks. Why? commercial banks can not print money with a lot of defautl, their lending operations freeze, money market freeze, the whole economy stops, and prices plunge.
Kissinger: “We are at the edge of war with Russia and China on issues which we partly created, without any concept of how this is going to end or what it’s supposed to lead to.”