@unpublished{Blundell2000,
author = {Richard Blundell and Steve Bond and Frank Windmeijer},
title = {Estimation in dynamic panel data models: improving on the performance of the standard GMM estimator},
year = {2000},
month = {Jun},
volume = {pp},
doi = {10.1920/wp.ifs.2000.0012},
issn = {1742-0415},
url = {http://www.ifs.org.uk/wps/wp0012.pdf},
}