In other words, if the prices of commodities, which are purchased frequently, rise, the perception of inflation would be different from say, a rise in the price of television set. While recognizing the overlap, the distinction between inflationary expectations and inflation perceptions in the context of inflation policy is worth bearing in mind.
For example, inflation perceptions tend to harden if prices of frequently purchased goods increase. There is an interesting issue here on delicate distinction between monitoring and influencing inflation expectations on the one hand and giving forward indication on the other. In practice, it is a delicate task to make such distinction but it is critical to bear such a distinction in policy-making and communication.