Ever since Japan’s banking crisis began in 1990, the country has been in a liquidity trap, with central bank rates close to zero, and from 1998 to 2005 the price level declined by more than 4%. Japanese governments have tried to overcome the slump with Hansen’s recipes, issuing one Keynesian program of deficit spending after the other and pushing the debt-to-GDP ratio from 64% in 1991 to 171% in 2008.