@techreport{Griffith2003,
author = {Rachel Griffith and Rupert Harrison and Jonathan Haskel and Mari Sako},
title = {The UK productivity gap and the importance of the service sectors},
year = {2003},
month = {Dec},
doi = {10.1920/bn.ifs.2003.0042},
url = {http://www.aimresearch.org/uploads/pdf/Academic%20Publications/rgbrief.pdf},
}