The Review of Economics and Statistics 1956 38(4), 484

The Review of Economics and Statistics 1953 35(4), 352

Journal of Political Economy 1966 74(5), 526-528

Journal of Political Economy 1958 66(4), 360-362

Journal of Political Economy 1957 65(6), 544-544

Journal of Political Economy 1957 65(1), 51-63

Journal of Political Economy 1956 64(4), 350-351

Journal of Political Economy 1956 64(6), 520-527

Journal of Political Economy 1955 63(6), 525-528

Journal of Political Economy 1955 63(1), 80-80