The doubling time at 2% inflation is 35 years.
Biblical jubilees were every 50 years or so. Implying an indexed jubilee rate of inflation of 1.4%
70/50= 1.4% Back of an envelope stuff, the property developer in me is taking a long time to exorcise.
This is a very fair blog discussing and trying to get to grips with the idea of Debt Jubillee, Reading the comments is helpful too.
http://dollarcollapse.com/articles/is-a-debt-jubilee-the-next-big-meme/