公こう定てい歩ぶ合あい

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Meanings

official discount rate

The interest rate at which a central bank lends to commercial banks; a key monetary policy tool. In Japan, historically set by the Bank of Japan.

公こう定てい歩ぶ合あいを引ひき上あげるto raise the official discount rate
日本にほん銀ぎん行こうは公こう定てい歩ぶ合あいを引ひき上あげた。
The Bank of Japan raised the official discount rate.
公こう定てい歩ぶ合あいを引ひき下さげるto lower the official discount rate
中ちゅう央おう銀ぎん行こうは景けい気き対たい策さくとして公こう定てい歩ぶ合あいを引ひき下さげた。
The central bank lowered the official discount rate as an economic stimulus measure.
公こう定てい歩ぶ合あいが上あがるfor the official discount rate to rise
公こう定てい歩ぶ合あいが上あがると、市し場じょう金きん利りも上じょう昇しょうする傾けい向こうがある。
When the official discount rate rises, market interest rates also tend to increase.
日にち銀ぎんが公こう定てい歩ぶ合あいを発はっ表ぴょうするfor the Bank of Japan to announce the official discount rate
日にち銀ぎんは毎まい月つきの会かい合ごうで公こう定てい歩ぶ合あいを発はっ表ぴょうする。
The Bank of Japan announces the official discount rate at its monthly meeting.

政せい策さく金きん利り
政策金利 is the broader term for any policy interest rate a central bank sets, while 公定歩合 refers specifically to the rate at which the central bank lends to commercial banks.

金きん利りN1
金利 is the general word for 'interest rate' used in everyday contexts, whereas 公定歩合 is the specific official rate set by the central bank for lending to commercial banks.
プライムレート
公定歩合 is the official rate set by the central bank for lending to commercial banks, whereas プライムレート is the rate individual banks then charge their best customers.

Compound of 公定 (official, publicly set) and 歩合 (rate, commission).