Based on monthly data from 2014 to 2018,MLF interest rate and overnight interest rate are selected as the alternative indicators of the operation target interest rate,and the VAR model is established to test the effects.The results show that:the impact of MLF interest rate on loan weighted interest rate and credit volume is stronger than that of overnight interest rate on loan weighted interest rate and credit volume.Also,the impacts of overnight interest rate on financial market interest rate and financial market volatility is stronger than the impacts of MLF interest r...