00617nam a2200157Ia 4500008004100000010001200041040001700053082002100070110006400091245009100155246004800246260004800294300001700342440003900359650006100398190327s9999||||xx |||||||||||||| ||und||  a56-8389  aNITILcNITIL  221sta338bN277P  aNational Bureau of Economic Research Conference on Research 0aProblems of capital formationbconcepts, measurement and controlling factors: a report  aConference on Research in Income and Wealth  aPrincetonbPrinceton University Pressc1957  aV.19 (612p.)  aStudies in income and wealth: v.19  aSaving and investment; Finance; Capital; Economic policy