Discussion Paper Details

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Title: Individual Price Adjustment along the Extensive Margin

Author(s): Etienne Gagnon, J David López-Salido and Nicolas Vincent

Publication Date: September 2012

Keyword(s): extensive margin, inflation and intensive margin

Programme Area(s): International Macroeconomics

Abstract: Firms employ a rich variety of pricing strategies whose implications for aggregate price dynamics often diverge. This situation poses a challenge for macroeconomists interested in bridging micro and macro price stickiness. In responding to this challenge, we note that differences in macro price stickiness across pricing mechanisms can often be traced back to price changes that are either triggered or cancelled by shocks. We exploit observed micro price behavior to quantify the importance of this margin of adjustment for the response of inflation to shocks. Across a range of empirical exercises, we find strong evidence that changes in the timing of price adjustments contribute significantly to the flexibility of the aggregate price level.

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Bibliographic Reference

Gagnon, E, López-Salido, J and Vincent, N. 2012. 'Individual Price Adjustment along the Extensive Margin'. London, Centre for Economic Policy Research.