The Quality of China's GDP Statistics

59 Pages Posted: 4 Dec 2013

See all articles by Carsten A. Holz

Carsten A. Holz

Hong Kong University of Science & Technology (HKUST) - Division of Social Science

Date Written: November 27, 2013

Abstract

Since the 1998 "wind of falsification and embellishment," Chinese official GDP statistics have repeatedly come under scrutiny. This paper evaluates the quality of China’s GDP statistics in four stages. First, it reviews past and ongoing suspicions of the quality of GDP data and examines the evidence. Second, it documents the institutional framework for data compilation and concludes on the implications for data quality. Third, it asks how the National Bureau of Statistics could possibly go about credibly falsifying GDP data without being found out. Fourth, it examines if the first-and second-digit distributions of official GDP data conform to established data regularities (Benford’s Law). The findings are that the supposed evidence for GDP data falsification is not compelling, that the NBS has much institutional scope for falsifying GDP data, and that certain manipulations of nominal and real data would be virtually undetectable. Official GDP data, however, exhibit few statistical anomalies (conform to Benford’s Law) and the NBS thus either makes no significant use of its scope to falsify data, or is aware of statistical data regularities when it falsifies data.

Keywords: accuracy of national statistics, national income accounting, compilation of GDP and sectoral value-added, national statistical system, Benford’s Law

JEL Classification: C82, R1, P27, O53

Suggested Citation

Holz, Carsten A., The Quality of China's GDP Statistics (November 27, 2013). Available at SSRN: https://ssrn.com/abstract=2362779 or http://dx.doi.org/10.2139/ssrn.2362779

Carsten A. Holz (Contact Author)

Hong Kong University of Science & Technology (HKUST) - Division of Social Science ( email )

Division of Social Science
Clear Water Bay
Clear Water Bay, Kowloon
Hong Kong

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