Forget the current situation where we have seen a significant change in the GDP figures, but nations rely on a very long history to develop. Patents. Universities. Infrastructure. Dams. Irrigation Networks. Institutions. All those help and have a very long chain.
Look at the UK, its growth rate was extraordinary and that is what provides you hope that the UK will prosper and develop much more. It will have to rely on the institutions, infrastructure, universities to keep on developing further.