1policy interest rate; the rate set by a central bank as a benchmark to implement monetary policy, adjusted to influence the economy.
中央銀行は景気過熱を抑えるために政策金利を引き上げた。
The central bank raised the policy rate to cool an overheating economy.
政策金利の変動は住宅ローンの金利にも影響する。
Changes in the policy interest rate also affect mortgage rates.