In this fascinating new field, this paper offers some reflections on portability of social benefits, and tries to identify promising research topics. These reflections are organized in three sections. The first analyzes the channels that underpin the positive value of portability of social...

Chile approved in early 2008 the replacement of her two current non-contributory subsidies for the old poor for a unified program with a pioneering design, with phase-in ending in 2012. This paper describes the political economy of this reform and evaluates it with regards to efficiency and...

Noncontributory subsidies for the old poor (first-pillar pensions) affect the welfare of hundreds of millions around the world. Their benevolent rationale is to redistribute progressively, subject to efficiency considerations. This paper focuses on a critical efficiency issue: first pillars may...