Measuring Global Real Economic Activity: Do Recent Critiques Hold Up to Scrutiny?

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Authors registered in the RePEc Author Service: Lutz Kilian

No 13455, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: Hamilton (2018) suggests that the Kilian (2009) index of global real economic activity is misleading and calls for alternative measures. The problem documented by Hamilton is a consequence of a coding mistake. Specifically, the index of nominal freight rates underlying the Kilian index was accidentally logged twice. Once this coding error is corrected by removing one of the log transformations, none of the concerns raised by Hamilton remains valid and the index may be used as originally intended. Moreover, it can be shown that the corrected index differs only slightly from the original index and that the key empirical results in Kilian (2009) and related studies remain unchanged when replacing the index.

Keywords: Global business cycle; Shipping; Commodity market; Oil; Log transformation (search for similar items in EconPapers)
JEL-codes: Q31 Q43 (search for similar items in EconPapers)
Date: 2019-01
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Citations: View citations in EconPapers (159)

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Related works:
Journal Article: Measuring global real economic activity: Do recent critiques hold up to scrutiny? (2019)
Working Paper: Measuring Global Real Economic Activity: Do Recent Critiques Hold Up to Scrutiny? (2019)
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