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なら
genkai sei sambutsuteigenno hōsokunara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 限界生産物逓減の法則

1. If the law of diminishing marginal returns…; When the law of diminishing marginal returns…

Nara Conditional