Wonders, anyway, if you mean turning a slump into a decade-long depression. Professor Ben Powell recounts the Japanese experience here.
Huge “stimulus” spending packages and bailouts made economic conditions worse in Japan.
What the Keynesians seem incapable of understanding, even after it’s been explained over and over, is that recessions aren’t caused to insufficient demand, but rather by the widespread misallocation of resources. The profit and loss system takes care of that on its own, but governmental meddlers fear being called “do-nothing” politicians in the next election if they don’t make a big show of their “concern” by enacting policies intended to “fix” the economy.