The interactions between public debt and government bond yield

Assoc. Prof. Phan Thi Bich Nguyet1, Le Van1
1 University of Economics Ho Chi Minh City

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Abstract

This study investigates the interactions between public debt and government bond yield, based on the daily dataset (from 01 April 1993 to 27 May 2022) which contains Debt to the Penny and the 10-year bond of the US economy. We find significant evidence of these interactions, which are best explained under the ADCC-GARCH model with the asymmetric dynamic conditional correlation mechanism. The findings indicate that public debt raise positively influences the yield change, but the yield increase mitigates the state budget, contemporaneously. This result implies that a reasonable usage of public debt facilitates the balance between fiscal and monetary tools. However, policymakers are supposed to consider their operating strategies during financial crises and global volatility, as illustrated by the conditional correlations between return series. We examine the interactions between leading and lagging indicators of an economy, which inspires future research in terms of both methodological framework and scope of the study.

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References

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