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