This assumption (that governments [in the a broad sense of the term] prop up stock prices deliberately) has been taken as a given/assumption in another question here.
Is there evidence that they actually and deliberately do that (i.e. prop up stock prices) though, instead of that being a side-effect of "propping up" the "mainstreet" economy?
Evidence I would accept:
- Explicit declarations e.g from relevant government institutions (e.g. central banks, fiscal policy makers) that "propping up" stock market prices is a goal.
- Econometric analyses that somehow prove that the "real goal" of stimulus measures is propping up stock prices, "above and beyond" the "real/mainstreet economy."