Research Article

Chinese Commodity Price Evidence Study for COVID-19 Shock and Price Stickiness Model Design

Table 4

Price size.

IndexGRBK
Size change (%)Size rise (%)Size down (%)Size change (%)Size rise (%)Size down (%)

All12.7913.6213.1820.1724.5818.09
Food16.4418.4317.4723.3728.9522.05
Clothing14.9915.5216.5818.7321.0619.66
Residence9.969.699.7521.0325.7916.77
Household equipment13.2614.1114.0219.3723.4618.09
Transport, post, and telecommunication8.538.708.4714.4317.1512.85
Culture, education, and recreation10.9911.7011.1115.8819.2014.14
Medicine and health care14.7015.9815.6122.2727.3920.50
Other goods and services10.0610.5210.6013.8815.8513.49

Note. Columns 1, 2, and 3 match the size of price change, size of price increase, and size of price decrease, respectively, by the GR method. Columns 4, 5, and 6 report the results by the BK method.