本文強調於通貨膨脹預測時應同時考慮其他國際間有用的訊息,因此透過長期利率中隱含有關未來通貨膨脹重要訊息之特徵,以要素分析法,結合21個OECD國家之長期利率中有關未來長期國際通膨之重要訊息,並以誤差修正要素預測模型來探討其是否有助於改善通貨膨脹之預測。在1985年第一季至2013第四季之研究期間,實證結果顯示透過要素分析法,自跨國利率中萃取之共同成分,有助於改善大部分國家未來中短期通貨膨脹之預測。另外,本文亦以領導國之利率作為反映國際訊息之重要變數,在誤差修正預測模型的架構下,預測結果同樣顯示有助於敐善多數國家通貨膨脹之預測。
This paper points out that inflation forecasts should also take into account global factors. The Fisher hypothesis indicates that long-term interest rates contain information on future inflation information. We extract global factors and common components from long-term interest rates in 21 OECD countries and then apply an error-correction model to predict inflation rates. Our empirical results reveal that (1) the common component is helpful to improve the predictability on inflation rates, (2) the interest rates of leading country reflects the information of global inflation and hence are helpful to enhance the accuracy of inflation rate forecasts.