@unpublished{Attanasio2008,
author = {Orazio Attanasio and Luca  Pellerano and David Phillips},
title = {Peace and goodwill? Using an experimental game to analyse Paz y Desarrollo},
year = {2008},
month = {Sep},
url = {http://www.ifs.org.uk/edepo/wps/ewp0803.pdf},
}