Is China’s ‘reverse Great Firewall’ quietly blocking global access to official data?

For overseas researchers, policymakers, businesses and casual users alike, access to China’s public information is quietly shrinking as a growing number of official websites go dark outside the country, a new study has found.
The contraction is far from marginal. A number of Chinese government websites were inaccessible from outside the country, the findings showed, indicating the emergence of a “reverse Great Firewall”.
This suggests a deliberate effort by Beijing to prevent foreign data mining...