[There will be movement toward] behavioral economics... [which] involves study of those aspects of men’s images, or cognitive and affective structures that are more relevant to economic decisions.
Source, in full
Kenneth Boulding (1958) "Contemporary Economic Research". In Donald P. Ray (ed.). Trends in Social Science, pp. 9-26. as cited in: James Alm (2011) Testing Behavioral Public Economics Theories in the Laboratory. Working paper.
Notes from Wikiquote
Alm proceeds by stating: "Given the essential role of psychological insights in the field, together with the obvious truism that all economics concerns “behavior” in one form or another, a more descriptive name for the field is perhaps “cognitive economics”, as recognized early on by Boulding (1958)."