収穫 しゅうかく逓減 ていげん法則 ほうそくなら
shūkakuteigenno hōsokunara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 収穫逓減の法則

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

Nara Conditional