The 2022 Denis Sargan Econometrics Prize
2022年 Denis Sargan 计量经济学奖AI 解读 ↓
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2022年 Denis Sargan 计量经济学奖AI 解读 ↓
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The editors of The Econometrics Journal decided to award the 2022 Denis Sargan Econometrics Prize to Chiara Casoli (Fondazione Eni Enrico Mattei, Milan) for her article “Permanent-Transitory decomposition of cointegrated time series via dynamic factor models, with an application to commodity prices” with Riccardo (Jack) Lucchetti in the May 2022 issue of The Econometrics Journal.1 Chiara and Jack’s prize winning article develops a cointegration-based Permanent-Transitory decomposition for nonstationary dynamic factor models. Its novel idea is to first leverage the cointegration properties of the observed series in their Permanent-Transitory decomposition and then apply dynamic factor analysis to the resulting stationary series. The paper shows by simulation that this method extracts the factor structure better than a common alternative that does not use the cointegration properties of the observed series, but applies dynamic factor analysis to their first differences. It then demonstrates the empirical usefulness of the proposed method with an empirical analysis of the comovement of commodity prices.