noun
real interest rate
Economic term: the nominal interest rate adjusted for inflation, reflecting the true cost of borrowing or return on savings.
実質利子率がマイナスになると、預金の実質的な価値は目減りする。
When the real interest rate becomes negative, the real value of savings erodes.
中央銀行は実質利子率の動向を注視している。
The central bank is closely watching trends in the real interest rate.
名目利子率 is the nominal interest rate before adjusting for inflation, while 実質利子率 is the inflation-adjusted rate.
Compound of 実質 (real, actual) + 利子率 (interest rate). A straightforward economic term.