The Financial Times reports,

While someone in the 1840s lived, on average, to 40, today’s generation can expect to hit 80, “and for our grandchildren, it could be 160,” says [pension economist David] Blake, stabbing a pale green corner of his fan chart.

The market goes on to talk about market instruments that might allow investors to speculate or hedge on forecasts of longevity. If such a market does develop, I will be taking a more optimistic view than Mr. Blake. I tell my high school students now that I think there is a good chance that they will be immortal. Thanks to Tyler Cowen for the pointer.