There was a long period of deflation, so the Japanese think that price hike is a bad thing.
However, without the prices hike, the salary will also not go up.
ご質問ありがとうございます。
"There was a long period of deflation,"=「長い間、デフレでした」
"so the Japanese think that price hike is a bad thing."=「なので、日本人は値上げが悪いことだと思っています。」
"However, without the prices hike,"=「しかし、値上げが無ければ」
"the salary will also not go up."=「給料も上がりません。」
ご参考までに。