This is specialised to ecomic modelling on the effect of Covid19 - https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwiNpOC_yN71AhV56nMBHdD6BfoQFnoECDIQAQ&url=https%3A%2F%2Fideas.repec.org%2Fp%2Fpra%2Fmprapa%2F99912.html&usg=AOvVaw3w8q5ezx5HOHjl5DNmD_hM