Do vaccination passports take away freedoms? It depends on how you frame the question
- Written by John Quiggin, Professor, School of Economics, The University of Queensland

You may have already downloaded to your phone a digital certificate proving you have received one or two doses of a COVID vaccine. Its dark-green colour calls to mind the “Green Pass” now in use in European countries, which is required to gain access to venues such as restaurants, museums and some public transport.
These “vaccine...