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...

When behavioral biases have varying sizes, and the State seeks to correct behavior through compulsion, the question is how to design optimal compulsion. One argument is that the amount of compulsion should rise with the size of the bias to be "cured". A contrary argument is that since compulsion...

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...