収穫 しゅうかく逓減 ていげん法則 ほうそくだったら
shūkakuteigenno hōsokudattara

Noun
Da Copula

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

1. If/When the law of diminishing returns applies.; If the law of diminishing returns held true.

Tara Conditional