Some of the models assume the effect of a lockdown was immediate.[1] The reality is that retail declined before the lockdown. So this data will help tremendous

Some of the models assume the effect of a lockdown was immediate.[1] The reality is that retail declined before the lockdown. So this data will help tremendously. It even shows the panic buying buying before the lockdown in South Africa. [1]: https://www.imperial.ac.uk/media/imperial-college/medicine/sph/ide/gida-fellowships/Imperial-College-COVID19-Europe-estimates-and-NPI-impact-30-03-2020.pdf https://www.imperial.ac.uk/media/imperial-college/medicine/s...