共 4 条
[1]
JOINT INPUTS AND LAW OF DIMINISHING RETURNS
[J].
ZEITSCHRIFT FUR NATIONALOKONOMIE-JOURNAL OF ECONOMICS,
1976, 36 (3-4)
:407-416
[2]
SCHUMPETER JA, 1966, HISTORY EC ANAL
[3]
PROOF OF THE LAW OF DIMINISHING RETURNS
[J].
ZEITSCHRIFT FUR NATIONALOKONOMIE-JOURNAL OF ECONOMICS,
1970, 30 (1-2)
:7-34
[4]
SHEPHARD RW, 1974, Z NATIONALOKONOMIE, V30, P69