Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleCOMMENTS III.AuthorsROBERTSON, D. H.PublicationOxford Bulletin of Economics & Statistics, 1952, Vol 14, Issue 4/5, p154ISSN0305-9049Publication typeArticleDOI10.1111/j.1468-0084.1952.mp14004005.x