← Search Econometrica Vol. 23 No. 2 1955 Problems of Capital Formation in Underdeveloped Countries Everett E. Hagen; Ragnar Nurkse DOI10.2307/1907894 Volume23 Issue2 Pages232 Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓