TY - JOUR AB - Article PDF first page preview Close This content is only available as a PDF. Copyright, 1937–38, by the President and Fellows of Harvard College TI - Mathematical Appendix JF - The Quarterly Journal of Economics DO - 10.1093/qje/52.2.251 DA - 1938-02-01 UR - https://www.deepdyve.com/lp/oxford-university-press/mathematical-appendix-q60LfiLfsl SP - 251 EP - 254 VL - 52 IS - 2 DP - DeepDyve ER -