Media type: E-Article Title: Practical Problems in Economics Contributor: Katona, Arthur; Mitchell, Broadus; Mitchell, Louise Pearson; Dell, Burnham North; Luthringer, George Francis; Daugherty, Carroll R. Published: SAGE Publications, 1939 Published in: American Sociological Review, 4 (1939) 6, Seite 893 Language: Not determined DOI: 10.2307/2083790 ISSN: 0003-1224 Keywords: Sociology and Political Science Origination: Footnote: