『Bernanke says debt limit battle risks crisis』
ttp://news.yahoo.com/s/nm/20110614/bs_nm/us_usa_fed WASHINGTON (Reuters) ? Federal Reserve Chairman Ben Bernanke warned on Tuesday that a failure to lift the government's $14.3 trillion debt ceiling risks a potentially disastrous loss of confidence in America's creditworthiness.
これ実行するとどのくらい効果が上がるもんなんだろか?