Table A1.
Betweeness centrality.
| Pre-COVID-19 | Mid-COVID-19 | |
|---|---|---|
| btc | 0.5 | 1 |
| usa | 5.0 | 1 |
| eu | 0 | 1 |
| cn | 10.5 | 0 |
| gold | 12.5 | 0 |
| usd | 0 | 0 |
| gsci | 2.3 | 0 |
| vix | 5.3 | 0 |
| bond | 1.5 | 0 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.