A Proposal to Improve Country-Level Data on Total Factor Productivity Growth

Author/Editor:

Andrew M. Warner

Publication Date:

March 22, 2024

Electronic Access:

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Disclaimer: IMF Working Papers describe research in progress by the author(s) and are published to elicit comments and to encourage debate. The views expressed in IMF Working Papers are those of the author(s) and do not necessarily represent the views of the IMF, its Executive Board, or IMF management.

Summary:

The assumption behind popular data on national capital stocks, and therefore total factor productivity, is that countries were in a steady state in the first year that investment data became available. This paper argues that this assumption is highly implausible and is necessarily responsible for implausible data on the ratio of capital to output and productivity growth. It is not credible that countries with similar incomes had huge differences in their capital stocks. This paper claims, with evidence, that implausible features of the data can be greatly reduced by using data on electricity usage or national stocks of road vehicles.

Series:

Working Paper No. 2024/067

Subject:

Frequency:

regular

English

Publication Date:

March 22, 2024

ISBN/ISSN:

9798400269011/1018-5941

Stock No:

WPIEA2024067

Format:

Paper

Pages:

39

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