The symmetric and asymmetric impacts of external debt on economic growth in Tunisia: evidence from linear and nonlinear ARDL models

Rima Aloulou (), Maha Kalai () and Helali Kamel
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Rima Aloulou: University of Sfax
Maha Kalai: University of Sfax

SN Business & Economics, 2023, vol. 3, issue 7, 1-28

Abstract: Abstract This paper aims to empirically examine the symmetric and asymmetric impact of external debt on economic growth in Tunisia between 1965 and 2019. The empirical methodology used is based on the one hand on the linear autoregressive distributed lag (ARDL) model of Pesaran et al. (Econ Soc Monogr 31:371–413. https://doi.org/10.1371/journal.pone.0184474 , 2001), and on the other hand, on the nonlinear ARDL (NARDL) model of Shin et al. (Nucleic Acids Res 42(11):90. https://doi.org/10.1038/s41477-021-00976-0 , 2014). The results show that the asymmetry assumption is valid for the long term. In addition, the empirical analysis shows a negative impact of positive external debt variation and a positive impact of negative external debt variation. This suggests that economic growth is more sensitive and favorable to decreases than to increases in external debt, which in turn means that maintaining debt at relatively high levels is detrimental to Tunisian economic growth.

Keywords: External debt; Economic growth; ARDL; NARDL (search for similar items in EconPapers)
JEL-codes: C32 H63 O49 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s43546-023-00482-9

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