@unpublished{Adda2009,
author = {Jerome Adda and Samuel Berlinski and V. Bhaskar and Steve Machin},
title = {Market regulation and firm performance: the case of smoking bans in the UK},
year = {2009},
month = {Jul},
doi = {10.1920/wp.ifs.2009.0913},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0913.pdf},
}