In order to increase the policy effectiveness of guiding short-term interest rates, the transmission mechanism of interest rates should be firmly established. In other words, changes in short-term interest rates in the interbank market need to be transmitted effectively through various interest rates, including the government bond yields.
2  In general, problems with the accuracy of price indexes can result from (1) factors relating to the formulae used to calculate indexes, as discussed in this paper; (2) failure to adapt statistical samples properly to reflect changes in consumer preferences and distribution channels; and (3) failure to make appropriate adjustments for changes in quality of goods and services.