n.
1.(economics) the principle that when two kinds of money having the same denominational value are in circulation the intrinsically more valuable money will be hoarded and the money of lower intrinsic value will circulate more freely until the intrinsically more valuable money is driven out of circulation
Idiom of the Day
run to seed
to become worn-out and uncared for
The small store has run to seed and few people like to go there now.