Sales distribution of consumer electronics

Ryohei Hisano and Takayuki Mizuno

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 2, 309-318

Abstract: Using the uniform most powerful unbiased test, we observed the sales distribution of consumer electronics in Japan on a daily basis and report that it follows both a lognormal distribution and a power-law distribution and depends on the state of the market. We show that these switches occur quite often. The underlying sales dynamics found between both periods nicely matched a multiplicative process. However, even though the multiplicative term in the process displays a size-dependent relationship when a steady lognormal distribution holds, it shows a size-independent relationship when the power-law distribution holds. This difference in the underlying dynamics is responsible for the difference in the two observed distributions.

Keywords: Power-law distribution; Lognormal distribution; Multiplicative process; Sales distribution; Sales dynamics (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:2:p:309-318

DOI: 10.1016/j.physa.2010.09.033

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