pushing on a string
n.β Β«The attempt to pump money into the banking system failed, and as a result, the phrase βpushing on a stringβ was coined to describe the futility of inflationary policies in this environment.Β» ββWisdom from Richard Russell on the Inflation/Deflation Topic” by Jay Taylor HoweStreet.com Nov. 21, 2005. (source: Double-Tongued Dictionary)