共 17 条
- [11] MEASURES OF CONCENTRATION [J]. JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, 1967, 62 (317) : 162 - &
- [12] KOTTKE F, 1967, PROFITABILITY INDUST, P7
- [13] CORRELATION AND REGRESSION ESTIMATES WHEN THE DATA ARE RATIOS [J]. ECONOMETRICA, 1955, 23 (04) : 400 - 416
- [15] Rosenbluth G., 1955, BUSINESS CONCENTRATI, P57
- [16] WALLIS WA, 1956, STATISTICS NEW APPRO, P546
- [17] YULE GU, 1950, INTRO THEORY STATIST, P330