Table 1 Descriptive statistics of major variables.

From: The COVID-19 pandemics and import demand elasticities: evidence from China’s customs data

Variable

Observation

Mean

Std. Dev.

25th

75th

Source

Export value, yuan

2614489

3874398.8

61919414

6157

487080

Customs data

Export unit price, yuan

2614489

1154371

28649871

9

5683

Customs data

Export volume, unit

2481061

56048.82

3189501.9

27.97

885

Customs data

Monthly COVID-19 new confirmed cases in an Asian economy, per millions of populations

2572154

421.04

1800.59

1.71

265.42

JHU CRC

HHI

2614489

0.55

0.29

0.3

0.82

Customs data

Real exchange rate (CNY/Foreign currency)

2301049

0.68

1.38

0.06

1.15

IMF

Foreign competitors’ trade-weighted exchange rate

2614489

2.31

2.35

0.25

3.93

IMF

Economic support index (policies in response to COVID)

2614489

0.52

0.32

0.38

0.75

OxCGRT

Containment and health index (policies in response to COVID)

2614489

0.5

0.18

0.38

0.65

OxCGRT

  1. Note: Columns named “25th” and “75th” report the 25th percentile and 75th percentile, respectively. Please note that for COVID-related variables, the number of observations only counts for the year of 2020 and 2021, but we follow the literature use the value of 0 for non-COVID period in our empirical analysis for those COVID-related variables. The customs data are from the General Administration of Customs of the PRC. The customs data are at the importer-exporter-product level with HS2017 8-digit product codes. “JHU CRC” stands for the Johns Hopkins Coronavirus Resource Center. “NHC PRC” is the National Health Committee of the People’s Republic of China. “OxCGRT” stands for the Oxford COVID-19 Government Response Tracker.