“NDC Schemes and Heterogeneity in Longevity: Proposals for Redesign,” by Robert Holzmann, Jennifer Alonso-García, Heloise Labit-Hardy, and Andres M. Villegas (Discussion Paper No. 11193, December 2017, .pdf format, 26p.). Note: Links to the abstract and the full text of the paper available at:
legacy.iza.org/en/webcontent/publications/papers/viewAbstract?dp_id=11193