経済 けいざい せい向上 こうじょうではありませんでした
keizai sei kōjōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 経済性向上

1. It was not economic improvement.; It was not about improving profitability.

Past/Perfective
Negative
Polite
Formal Register