According to a survey by Thomson Reuters and INSEAD, Asian firms turned most optimistic in the fourth quarter of 2020. And this is as business activity picked up in the region and Covid-19 vaccines started rolling out in Western countries ahead of their Asian launch. Antonio Fatas, Professor of Economics, INSEAD shares what Asian businesses have flagged as their top risks for 2021 and if we can expect these businesses to stay confident throughout 2021.