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Why prices transmit large-scale shocks more quickly

Pourquoi les prix transmettent plus vite les chocs de grande ampleur

Erwan Gautier, Hervé Le Bihan and Francesco Lippi

Eco Notepad (in progress) from Banque de France

Abstract: When shocks to production costs are small, price changes are relatively rare. A shock then takes several months to be transmitted to prices and inflation. When a major shock occurs, however, prices adjust more quickly than in normal times - which helps to explain why the recent episode of high inflation may have come as a surprise.

Lorsque les chocs sur les coûts des entreprises sont de faible amplitude, les changements de prix sont relativement rares. Un choc met alors plusieurs mois à se transmettre aux prix et à l’inflation. Face à un choc de grande ampleur en revanche, les prix s’ajustent plus rapidement qu’en temps normal – contribuant à expliquer pourquoi l’épisode de forte inflation récent a pu surprendre.

Date: 2023-11-05
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https://www.banque-france.fr/fr/publications-et-st ... cs-de-grande-ampleur

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