Japanese officials have signaled their blessing of a weaker yen as polls show Prime Minister Shinzo Abe's coalition may expand its Lower House majority in this weekend's election.

Finance Minister Taro Aso said Tuesday that the yen's slide has helped improve the economy and increase jobs, while adding that officials are monitoring the currency.

Economy minister Akira Amari said a drop in energy prices will offset the impact from the yen's weakness.