In this
paper, we use Python crawler to automatically collect price information of
online and offline electrical appliances on e-commerce websites, collect price
information of offline electrical appliances market through field research, and
compare and analyze commodity price and dispersion of online and offline
electrical appliances market using market price dispersion model. The results
show that although there is some price dispersion in the online market, the
online household appliances market is still lower than the offline market, and
the market efficiency is higher. Moreover, the discrete degree of online and
offline prices has obvious “festival effect” in China’s “Double Eleventh and
Double Twelfth” online shopping festivals.
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