共 15 条
[2]
BERRY CH, 1975, CORPORATE GROWTH DIV
[5]
Gort M., 1962, DIVERSIFICATION INTE
[6]
DIVERSIFICATION AND FIRMS RATE OF GROWTH
[J].
MANCHESTER SCHOOL OF ECONOMIC AND SOCIAL STUDIES,
1977, 45 (01)
:16-28
[7]
EMPLOYMENT CONCENTRATION IN COMMON MARKET - AN ENTROPY APPROACH
[J].
JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-GENERAL,
1970, 133
:463-&
[9]
JACQUEMIN A, 1977, EUROPEAN IND ORGANIS