1:45pm - 3pm
Wednesday 21 October 2020

Economics Webinar: "Testing the predictive accuracy of COVID-19 forecasts"

Dr. Laura Coroneo (University of York) is presenting her latest work. Laura's main research interests are applied macro-finance, with a particular focus on econometrics and empirical finance.

Free

Webinar
University of Surrey
Guildford
Surrey
GU2 7XH

Zoom Meeting: https://surrey-ac.zoom.us/j/93283302055

Meeting ID: 932 8330 2055

Title: Testing the predictive accuracy of COVID-19 forecasts

Abstract

We test the predictive accuracy of forecasts for the number of COVID-19 fatalities produced by several forecasting teams and collected by the United States Centers for Disease Control and Prevention (CDC), both at the national and state levels. We find three main results. First, at short-horizon (1-week ahead) no forecasting team outperforms a simple time-series benchmark. Second, at longer horizons (3 and 4-weeks ahead) forecasters are more successful and sometimes outperform the benchmark. Third, one of the best performing forecasts is the Ensemble forecast, that combines all available forecasts using uniform weights. In view of these results, collecting a wide range of forecasts and combining them in an ensemble forecast may be a safer approach for health authorities, rather than relying on a small number of forecasts.

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