Should Fed target inflation or target projected forward price level?

macroblog: "When weighted by their expenditure shares in the market basket used to construct the CPI, the majority of price increases were far less than the average increase. Over 50 percent of the weighted price gains were less than 3 percent (when annualized). Nearly twenty percent actually fell.

You might say that this is all fine and good, but you happen to actually purchase the average market basket, and the price of that went up by a full 1/2 percent in one month. In other words, your cost of living rose, and stripping out those prices that increased a lot does not make you feel one bit better.

Hey -- that's a good point, and one that moves us in the direction of discussing what monetary policy ought to be trying to accomplish. Should we be content with managing the rate of inflation going forward? If so, the core measures seem exactly the thing to be focused on, as they likely provide a more accurate picture of the inflation trend. But there is no guarantee that such a let-bygones-be-bygones approach will undo the effects of large one-off increases in some price or subset of prices, even in the medium term. In other words, there is no guarantee that focusing on core inflation will stabilize the cost-of-living over horizons that people may care about."