@unpublished{Bloom1997,
author = {Nicholas Bloom and Lucy Chennells and Rachel Griffith and John Van Reenen},
title = {How has tax affected the changing cost of R&D? Evidence from eight countries},
year = {1997},
month = {Jan},
doi = {10.1920/wp.ifs.1997.9703},
issn = {1742-0415},
url = {},
}