J. Bradford DeLong December 1, 2009 1 Ever since the 1930s. economists trying to analyze the determinants of spending have focused their attention on two of the economy’s markets: the market for liquidity and the market for savings. 2 and-demand in the market for liquidity and things that the president and congress do tweak supply-and-demand in the market for savings. 3 December 1, 2009: 1097 words 4