Politická ekonomie
Politická ekonomie
Prague Economic Papers
University of Economics, Prague

Prague Economic Papers Vol. 25 No. 3

Current Account Deficit, Budget Deficit and Saving Gap: Is the Twin or Triplet Deficit Hypothesis Valid in G7 Countries?

DOI: https://doi.org/10.18267/j.pep.565

[full text (PDF)]

Yusuf Ekrem Akbas, Fuat Lebe

The purpose of this study is to determine the validity of the triplet deficit hypothesis, which means the savings gap and budget deficit effect on the current account deficit. The empirical model is estimated for the G7 countries during the period between 1994 and 2011. The findings show that budget deficit and savings gap have important role in current account deficit in terms of estimator results. Moreover, bi-directional causality between the current account deficit and the savings gap and between the budget deficit and the savings gap are determined. So, especially the savings gap has an important effect on the current account deficit and the budget deficit. That is, triplet deficit hypothesis is valid in G7. Moreover, traditional approach is also valid since the causality is found between the current account deficit and budget deficit. Thereby, the authors conclude that the choice of statistical tools in analysing the nature of relationship among the current account deficit, the budget deficit, and the savings gap may play a key role for policy makers.

Keywords: budget deficit, current account deficit, panel dynamic SUR, savings gap, triplet deficit hypothesis

JEL Classification: C33, F32, F41, H62, O16


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