新冠肺炎疫情对线上商品价格变化的影响

文章运用电商高频价格大数据，分析了新冠肺炎疫情对商品价格变化的影响。研究发现：根据公平定价理论，在突发疫情下商家会加入消费者情绪制定价格策略，商品价格经过调整后趋于稳定；并且，商品价格表现出较低的价格黏性，对称的交错调价使得新冠肺炎疫情对商品价格的冲击有限。因此，政府部门可利用线上商品价格编制大数据物价指标，及时反映市场供求变化，促进资源优化配置，为宏观政策制定提供依据；同时，加快推进消费数字化转型，优化线上交易环境，建立预警机制来应对突发情况。

Impact of Novel Coronavirus Pneumonia on Commodity Price

This paper analyzes the impact of novel coronavirus pneumoniaon price stickiness by using high frequency price data.The results show that the business will join the consumer sentiment to make the price strategy. The commodity price converges to a stable state after staggered adjustment in accordance with fair pricing. Commodity price shows low price stickiness. The impact of emergencies on commodity price is relatively limited. The government can use commodity price to compile big data price indicator which reflects market changes and optimizes resource allocation. It should also accelerate the digitization of consumption and optimize the online trading environment. Besides, warning mechanism should be established to deal with emergencies.