Chinese Commodity Price Evidence Study for COVID-19 Shock and Price Stickiness Model Design
Table 4
Price size.
Index
GR
BK
Size change (%)
Size rise (%)
Size down (%)
Size change (%)
Size rise (%)
Size down (%)
All
12.79
13.62
13.18
20.17
24.58
18.09
Food
16.44
18.43
17.47
23.37
28.95
22.05
Clothing
14.99
15.52
16.58
18.73
21.06
19.66
Residence
9.96
9.69
9.75
21.03
25.79
16.77
Household equipment
13.26
14.11
14.02
19.37
23.46
18.09
Transport, post, and telecommunication
8.53
8.70
8.47
14.43
17.15
12.85
Culture, education, and recreation
10.99
11.70
11.11
15.88
19.20
14.14
Medicine and health care
14.70
15.98
15.61
22.27
27.39
20.50
Other goods and services
10.06
10.52
10.60
13.88
15.85
13.49
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.