<prompt> Translate the following text to EnglishNa ikiwa takwimu rasmi za uzalishaji zinapunguza kiwango halisi cha maendeleo kwa asilimia moja, takwimu rasmi za bei pia zinapindua mfumuko wa bei kwa kiasi sawa kabisa.  <response>: And if official productivity statistics understate the real rate of progress by 1 percent, official price statistics also overstate inflation by exactly the same amount. 