Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/120442
Authors: 
Kristoufek, Ladislav
Lunackova, Petra
Year of Publication: 
2015
Series/Report no.: 
IES Working Paper 2/2015
Abstract: 
We reinvestigate the "rockets and feathers" effect between retail gasoline and crude oil prices in a new framework of fractional integration, long-term memory and borderline (non)stationarity. The most frequently used error-correction model is examined in detail and we find that the prices return to their equilibrium value much more slowly than would be typical for the error-correction model. Such dynamics is usually referred to as "the Joseph effect". The standard procedure is shown to be troublesome and we introduce two new tests to investigate possible asymmetry in the price adjustment to equilibrium under these complicated time series characteristics. On the dataset of seven national gasoline prices, we find no statistically significant asymmetry. The proposed methodology is not limited to the gasoline and crude oil case but it can be utilized for any asymmetric adjustment analysis.
Subjects: 
rockets and feathers
asymmetry
gasoline
crude oil
cointegration
JEL: 
Q40
Q43
Q48
Document Type: 
Working Paper
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