Possibly, and likely candidates would be what are broadly called unconventional monetary policies (UMP).
Unconventional monetary policy Unconventional monetary policies include both policies where the central bank attempts to commit to hold interest rates at near zero for long, as well as policies that affect central bank  8  BIS central bankers’ speeches  balance sheets such as buying assets in certain markets, including exchange markets, in order to affect market prices.10 There clearly is a role for unconventional policies – when markets are broken or grossly dysfunctional, central bankers may step in with their balance sheets to mend markets.