Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNOTES.AuthorsKubinski, Z. M.PublicationEconomic Record, 1961, Vol 37, Issue 79, p382ISSN0013-0249Publication typeArticleDOI10.1111/j.1475-4932.1961.tb01391.x