Then, the idea was to let miners dig them back up. The burying and mining activities themselves are silly and useless, but then the multiplier effect kicks in.

Then, the idea was to let miners dig them back up. The burying and mining activities themselves are silly and useless, but then the multiplier effect kicks in. Keynes says the important thing is to get money circulating so that resources can (eventually) be put to practical use, whereas if everyone saves and does not reinvest then potentially productive resources are left fallow. http://www.economictheories.org/2008/11/keynes-theory-of-saving-unemployment.html http://www.economictheories.org/2008/11/keynes-theory-of-sav... gives a little more context.