共 52 条
[2]
BAILY MN, 1990, BROOKINGS PAP ECO AC, P369
[3]
BAILY MN, 1988, BROOKINGS PAPERS EC, V2, P347
[5]
BRYNJOLFSSON E, 1993, NEW EVIDENCE RETURNS
[6]
BRYNJOLFSSON E, 1993, MIT265 SLOAN SCH MAN
[7]
BRYNJOLFSSON E, 1994, USDL94327 DEP LAB
[8]
DAVID PA, 1990, AM ECON REV, V80, P355
[9]
DAVID PA, 1989, 172 STANF U CTR EC P
[10]
De Long J. B., 1992, BROOKINGS PAPERS EC, V2, P157