It seems the quite interesting arguments about discount rates are marred by the political points the author wants to make. While not discounting might suggest we should regulate some areas more, there are other areas we'd want to regulate less, especially if regulation slowed the rate of growth at all.
Abstract:
Link: papers.ssrn.com/sol3/papers.cfm?abstract_id=1845504
Paper (PDF): SSRN-id1845504.pdf
Via: marginalrevolution.com/marginalrevolution/2011/06/dont-apply-positive-discount-rates-to-human-lives.html