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State-dependent biases and the quality of China’s preliminary GDP announcements

Lixiong Yang ()
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Lixiong Yang: Lanzhou University

Empirical Economics, 2020, vol. 59, issue 6, No 4, 2663-2687

Abstract: Abstract This paper investigates whether and how the systematic forecast errors of the quarterly GDP announcements in China depend on the state of the economy. Our contribution is both theoretical and empirical. On the theoretical side, we extend the predictive threshold regression of Gonzalo and Pitarakis (J Bus Econ Stat 35:202–217, 2017) by incorporating a time-varying and state-dependent threshold, which is a function of macroeconomic variables that affect the separation of regimes. On the empirical side, we apply our model to assess the quality of China’s preliminary GDP data. Our empirical results show that there exist forecast biases in the preliminary GDP data conditional on the state of the economy. Our results also lean toward supporting that there exist behavioral biases of underestimation and over-reaction to new information during periods of relatively good state. These results suggest some scope to improve the accuracy of the preliminary GDP data based purely on econometric models.

Keywords: China’s preliminary GDP data; Forecast errors; Over-reaction; Time-varying threshold; State of the economy (search for similar items in EconPapers)
JEL-codes: C22 C51 C53 C82 (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s00181-019-01751-z

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