Why do journalists who have a reputation as deep thinkers about world affairs begin squirming in their seats if you try to explain how trade can lead to mutually beneficial specialization? Why is it virtually impossible to get a discussion of comparative advantage, not only onto newspaper op-ed pages, but even into magazines that cheerfully publish long discussions of the work of Jacques Derrida?
Why do policy wonks who will happily watch hundreds of hours of talking heads droning on about the global economy refuse to sit still for the ten minutes or so it takes to explain Ricardo?’, Krugman, P. (1996), cit. p.1. 26  Anderson, C. and Lindsay, J.J. (1998), ‘The development, perseverance and change of naive theories’, Social Cognition, vol. 16, no. 1, 1998, pp.