 However, from the later 1980s onwards his views began to change, and he argued for a framework of employment regulation that took account of economic pressures and the need to maintain competitive conditions.This culminated in his contribution to a major international book in 2000 in which he argued that the law should protect employees' rights, but also promote business success and economic growth.He has also published a number of books and articles on social policy and in particular on the importance of legal protection against discrimination.