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This paper shows that the recent evidence that disaggregated prices are volatile does not necessarily challenge the hypothesis of price rigidity used in a large class of macroeconomic models. We document the effect of macroeconomic and sectoral disturbances by estimating a factor-augmented vector autoregression using a large set of macroeconomic indicators and disaggregated prices. Our main finding is that disaggregated prices appear sticky in response to macroeconomic and monetary disturbances, but flexible in response to sectorspecific shocks. The observed flexibility of disaggregated prices reflects the fact that sector-specific shocks account on average for 85 percent of their monthly fluctuations. (JEL E13, E31, E32, E52)

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Although its primary ultimate objective is price stability, the Bundesbank has drawn a distinction between its money-focus strategy and the inflation targeting approach recently adopted by a number of central banks. We show that, holding constant the current forecast of inflation, German monetary policy responds very little to changes in forecasted money growth; we conclude that the Bundesbank is much better described as an inflation targeter than as a money targeter. An additional contribution of the paper is to apply the structural VAR methods of Bemanke and Mihov (1995) to determine the optimal indicator of German monetary policy: We find that the Lombard rate has historically been a good policy indicator, although the use of the call rate as an indicator cannot be statistically rejected.