Hovland, C. I. and Sears, R. R. Minor studies of aggression IV: Correlation of lynchings with economic indices. Journal of Psychology, 1940, 9, 301-310. Per-Acre Farm Ayres' Value of Value of Negro Total Year Index Cotton Cotton Lynchings Lynchings 1882 7.8 18.46 310 49 114 1883 3.0 14.96 251 52 131 1884 -6.4 14.56 254 52 210 1885 -10.5 14.75 270 80 184 1886 0.8 13.94 257 74 137 1887 5.9 15.61 291 73 121 1888 1.3 15.33 292 70 140 1889 3.5 15.80 308 95 176 1890 9.8 17.34 350 90 127 1891 4.7 15.77 313 121 192 1892 7.1 13.61 268 155 255 1893 -4.2 13.54 264 155 201 1894 -11.5 10.94 259 134 190 1895 -2.2 14.50 293 112 171 1896 -9.2 12.54 292 80 131 1897 -6.9 13.12 319 122 166 1898 0.3 12.21 305 102 127 1899 4.8 13.39 325 84 107 1900 3.3 17.02 438 107 115 1901 3.1 14.01 381 107 135 1902 3.3 15.65 422 86 97 1903 1.2 20.58 576 86 103 1904 -4.3 18.77 561 83 87 1905 8.2 21.32 557 61 66 1906 10.3 20.41 640 65 73 1907 6.3 19.76 614 60 63 1908 -14.1 18.18 589 93 100 1909 2.0 21.18 688 73 87 1910 1.3 24.99 810 65 74 1911 -5.8 20.80 750 63 71 1912 4.2 22.95 787 61 65 1913 4.5 23.27 863 50 51 1914 -5.3 14.79 549 49 52 1915 -0.4 20.09 631 54 67 1916 13.7 31.82 1122 50 54 1917 11.9 46.20 1566 36 38 1918 7.2 49.60 1738 60 64 1919 -0.3 62.00 2020 76 83 1920 1.8 31.10 1069 53 61 1921 -23.9 23.60 676 59 64 1922 -6.6 35.68 1116 51 57 1923 8.9 41.30 1454 29 33 1924 -2.1 39.60 1561 16 16 1925 5.0 35.55 1577 17 17 1926 6.4 25.15 1121 23 30 1927 1.6 34.08 1308 16 16 1928 3.4 30.69 1302 10 11 1929 8.3 28.79 1245 7 10 1930 -14.5 15.52 659 20 21