限界 げんかい生産 せいさん ぶつ逓減 ていげん法則 ほうそくでしょう
genkai sei sambutsuteigenno hōsokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 限界生産物逓減の法則

1. Law of diminishing marginal returns.; Probably the law of diminishing marginal returns.

Polite
Presumptive
Conjecture