The ruling Liberal Democratic Party will launch an all-out effort to boost Prime Minister Shinzo Abe's Abenomics policy if it wins big in the Upper House election next month, LDP Secretary-General Sadakazu Tanigaki vowed Friday.

“Whether to go ahead with Abenomics or not — that is the biggest question to think about in this election,” Tanigaki said during a group interview at LDP headquarters.

"We will forge ahead with Abenomics by implementing all sorts of policies."