如今，标普500指数可以产生7%的年收益，因此理应无人问津美国政府的30年经通胀调整的债券 — — 收益率只有每年1 % 。
In a world in which the S&P 500 has a 7% annual earnings yield, nobody should be happy holding a US government 30-year inflation-adjusted bond that yields 1% per year.