共 25 条
[11]
CABLE J, 1990, ENTRY MARKET CONTEST, P257
[14]
COX DR, 1972, J R STAT SOC B, V34, P187
[15]
DUNNE T, 1988, RAND J ECON, V104, P671
[18]
EVANS LB, 1992, EMPIRICAL STUDIES IN, P253