There is something, however humble, which can properly be called skill among those who recognise themselves as economists.

p. 4; quoted in Andrew Mearman (2011) "Three cheers for Kenneth Boulding!", who further commented: "Boulding (1958) defined economics in terms of what economists are or, from Viner, what economists do. Further, Boulding holds that there are skills which are unique to economists."