“…On the contrary, economists routinely and unquestioningly incorporate it as a basic premise of their models and explanations for employers' use of such workers. The point is made even by reseachers who are unable to find any evidence that employers deliberately keep hours of work beneath the 16 hours threshold and despite the solid evidence that women generally prefer less than full-time hours, that most part-timers are content with their hours of work, and that women need to be strongly advised not to accept the temptation of working fewer than 16 hours a week or restricting their earnings to less than the NI threshold (Select Committee on the European Communities, 1982;Disney and Szyszczak, 1984;Martin and Roberts, 474 Catherine Hakim 1984, p.41;Humphries, 1986, p.37;Beechey and Perkins, 1987, p.155;Wallace, 1984a, 1984b). In addition, part-time workers are usually classified in the secondary labour market by sociologists (see for example Barron and Norris, 1976;Loveridge, 1983, p.160).…”