Munich Personal RePEc Archive

Stuck at Zero: Price Rigidity in a Runaway Inflation

Snir, Avichai and Chen, Haipeng (Allan) and Levy, Daniel (2021): Stuck at Zero: Price Rigidity in a Runaway Inflation. Forthcoming in: Economics Letters No. Forthcoming (2021)

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Abstract

We use micro level retail price data from convenience stores to study the link between 0-ending price points and price rigidity during a period of a runaway inflation, when the annual inflation rate was in the range of 60%–430%. Surprisingly, we find that more round prices are less likely to adjust, and when they do adjust, the average adjustments are larger. These findings suggest that price adjustment barriers associated with round prices are strong enough to cause a systematic delay in price adjustments even in a period of a runaway inflation, when 85 percent of the prices change every month.

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