Small Price Responses to Large Demand Shocks

David Lopez-Salido and Etienne Gagnon

No 1480, 2015 Meeting Papers from Society for Economic Dynamics

Abstract: We study the pricing response of U.S. supermarkets to large demand shocks triggered by labor conflicts, mass population relocation, and shopping sprees around major snowstorms and hurricanes. Our focus on demand shocks is novel in the empirical literature that uses large datasets of individual data to bridge micro price behavior and aggregate price dynamics. We find that large swings in demand have, at best, modest effects on the level of retail prices, consistent with flat short- to medium-term supply curves. This finding holds even when shocks are highly persistent and even though stores adjust prices frequently. We also uncover evidence of tit-for-tat behavior by which retailers with radically different demand shocks nonetheless seek to match their local competitors' pricing movements and recourse to sales and promotions.

Date: 2015
New Economics Papers: this item is included in nep-mac and nep-ure
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Citations: View citations in EconPapers (3)

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Related works:
Journal Article: Small Price Responses to Large Demand Shocks (2020)
Working Paper: Small Price Responses to Large Demand Shocks (2015)
Working Paper: Small Price Responses to Large Demand Shocks (2014)
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Persistent link: https://EconPapers.repec.org/RePEc:red:sed015:1480

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