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Asane-Otoo, Emmanuel
Dannemann, Bernhard
Year of Publication: 
Series/Report no.: 
Oldenburg Discussion Papers in Economics V-426-19
In this paper, we revisit the empirical observation that prices rise like rockets when input costs increase but fall like feathers when input costs decrease. The analysis draws on a novel dataset that include daily retail prices of gasoline and diesel from virtually all fuel stations in Germany over the period from January 1, 2014 to December 31, 2018. Our findings from the national, state-specific and station-level analyses based on an asymmetric error correction model indicate that asymmetric pricing is the norm rather than exception. Specifically, we find empirical evidence that points to a pervasive rockets-and-feathers pattern. We also find that asymmetric pricing in the German retail fuel market might partly be the consequence of tacit collusion among competitors as well as disparate search intensity on the part of consumers. We further show that temporal aggregation of station-level price data might lead to inaccurate inferences and could account for the contradictory findings in the extant literature.
Asymmetric Pricing
Market Transparency
Search Intensity
Tacit Collusion
Document Type: 
Working Paper

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