Using the Phillips-Loretan approach,this paper verifies the degree and speed of passthrough and rigidity of different interest rates in China,as well as the response of private loan interest rates to other interest rates during 2002-2012.The results indicate that the long-term pass-through from the interbank offered rates and deposit and loan interest rates to the treasury bond rate is incomplete,but that the long-term pass-through to private loan interest rates is overshooting.The long-term pass-through from the deposit and loan interest rates to the overnight interbank offered rate is incomplete,while that to the interbank offered rates of other maturities is complete.The short-term passthrough and adjustment speed of interest rates exhibit asymmetry.Therefore,before considering a full liberalization of interest rates,it is important to further enhance the competition of the financial system and the function of different interest rate systems,such as the interbank market and bond market.
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