De EconomistDecember 1940, Volume 89, Issue 1, pp 685–688 | Cite asBoekbesprekingAuthorsAuthors and affiliationsS. RosenbergP. V. ZuurenArticle 10 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© De Erven F. Bohn N.V. 1940Authors and AffiliationsS. RosenbergP. V. ZuurenThere are no affiliations available