<prompt> Translate the following text to EnglishMfano wa hii ni kwamba, kwa sababu ya kuwa na uaminifu wa wanabainiki wa kisasa kama mashabiki wa mfumuko wa bei, hata Benki ya Japani ichapishe pesa ngapi sasa, haiwezi kupunguza kiwango cha riba ya jina, kwa sababu kiwango hicho tayari ni sifuri, na kwa sababu watu hawaamini kwamba itaruhusu mfumuko wa bei wakati wowote katika siku zijazo, haiwezi kupunguza kiwango cha riba halisi.  <response>: The peculiar result of the credibility of modern central bankers as inflation hawks is that no matter how much money the Bank of Japan prints now , it doesnt It cant lower the nominal interest rate, because that rate is already zero, and because people dont believe that it will allow inflation to break out any time in the future, it cant lower the real interest rate either. 