| decreasing marginal cost/diminishing marginal cost | kos sut berkurangan | AEKO, EKO |
| weighted marginal utility | utiliti sut berwajaran | EKO |
| weighted marginal cost of capital | kos modal sut berwajaran | NIAGA |
| social marginal productivity | daya pengeluaran sut sosial | EKO |
| social marginal cost | kos sut sosial | EKO |
| private marginal cost | kos sut persendirian | EKO |
| operating marginal analysis | analisis sut kendalian | NIAGA |
| net marginal recycling cost | kos pengitaran semula sut bersih | EKO |
| intra-marginal firm | firma intrasut | EKO |
| increasing marginal returns | pulangan sut bertambahan | AEKO |