Do benchmark revisions affect the consumption-to-output and investment-to-output ratios in Germany?

Thomas Knetsch and Hans-Eggert Reimers

OECD Journal: Journal of Business Cycle Measurement and Analysis, 2010, vol. 2010, issue 1, 1-14

Abstract: The balanced growth and stochastic growth theory implies stable consumption-to-output and investment-to-output ratios. It is tested by cointegration techniques for three different German data vintages. Systems cointegration tests are helpful in revealing inconsistencies across vintages. Differencing and rebasing, often used to adjust for benchmark revisions, are generally not sufficient to ensure consistent real-time macroeconomic data. Vintage transformation functions estimated by cointegrating regressions are more flexible. Empirically, the cointegrating property between consumption and output, as well as between investment and output, is often found, whereas the one-to-one relationship is mostly rejected. Moreover, the linear transformation function is helpful in describing the relation between two older final vintages. This function seems to be insufficient if the most recent data collection framework is involved.

Keywords: Investment-Output Ratio; Consumption-Output Ratio; Real-Time Data; Benchmark Revisions (search for similar items in EconPapers)
Date: 2010
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