Journal Article The Isolation Paradox and the Discount Rate for Benefit-Cost Analysis: A Comment Get access David M. Newbery David M. Newbery University of California, Berkeley Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Economics, Volume 105, Issue 1, February 1990, Pages 235–238, https://doi.org/10.2307/2937827 Published: 01 February 1990