@unpublished{Blundell2011,
author = {Richard Blundell and Antoine Bozio and Guy Laroque},
title = {Extensive and intensive margins of labour supply: working hours in the US, UK and France},
year = {2011},
month = {Feb},
doi = {10.1920/wp.ifs.2011.1101},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp1101.pdf},
}