共 27 条
[5]
AMIR R, 1998, 9801 U SO DENM
[6]
AOKI R, 1995, UNPUB COST REDUCING
[7]
STRATEGIC COMMITMENT WITH R-AND-D - THE SYMMETRIC CASE
[J].
BELL JOURNAL OF ECONOMICS,
1983, 14 (01)
:225-235
[9]
DASPREMONT C, 1990, AM ECON REV, V80, P641
[10]
DASPREMONT C, 1988, AM ECON REV, V78, P1133