Pandemics, Vaccines and an Earnings Damage Function

Working Paper: NBER ID: w27829

Authors: Harrison Hong; Jeffrey D. Kubik; Neng Wang; Xiao Xu; Jinqiang Yang

Abstract: We derive a parsimonious model of damage to corporate earnings from COVID-19. Using measures of expected damage from industry-level earnings forecast revisions, we estimate this model with nonlinear least squares and identifying restrictions related to forecast rationality. Forecasts in mid-May 2020 imply an earnings crash and lower earnings growth until a vaccine arrives in 1.48 years (95% CI [0.61, 5.88]). We extend our framework to account for time-varying vaccine arrival rates. Mid-August 2020 forecasts imply a vaccine arrival in 0.61 years (95% CI [0.35, 1.06]), which is due to positive vaccine news as opposed to fiscal or monetary policy news.

Keywords: COVID-19; Earnings Damage; Vaccine Arrival; Forecast Revisions

JEL Codes: G10; G12; G31; G32


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
vaccine arrival expectations (I19)earnings forecasts (G17)
vaccine arrival (I19)corporate earnings recovery (G38)
pandemic (F44)lower earnings growth (J31)
vaccine arrival (I19)jump in earnings (J31)
earnings crash (G01)lower earnings growth until vaccine arrival (J31)

Back to index