An analysis of the asymmetric impact of exchange rate changes on G.D.P. in Pakistan: application of non-linear A.R.D.L

Ibrar Hussain, Jawad Hussain, Arshad Ali Khan and Yahya Khan

Economic Research-Ekonomska Istraživanja, 2019, vol. 32, issue 1, 3100-3117

Abstract: Exchange rate fluctuations play a vital role in influencing macroeconomic variables including economic growth via the channels of net exports and investments. This study claims to be the first in assessing the asymmetric effect of exchange rate fluctuations on G.D.P. in Pakistan whose currency had the title of ‘worst currency of South Asia’ in 2018 after more than 20% depreciation in just three months. In this study, we employ a recently developed technique of Non-linear A.R.D.L. by Shin, Yu, and Greenwood-Nimmo (2014) to test for possible asymmetric effect of exchange rate on G.D.P. along with the proxies of fiscal and monetary policies. Both A.R.D.L. and N.A.R.D.L. are applied on annual data range from 1972 to 2014. The results of A.R.D.L. are found poor and co-integration relationship lost when the assumption of symmetry is taken into consideration. On the contrary, Non-linear A.R.D.L. technique carry more rich information related to the issue at hand and co-integration relationship is confirmed. From the results we found that week currency hurts G.D.P. growth, while strong currency adds to growth. Besides these, we confirm asymmetric impact of exchange rate on G.D.P. growth in Pakistan and find the evidence of short-run, long-run and adjustment asymmetry. To achieve the objective of sustained growth, exchange rate management should focus to restore stability and go for more strong currency in Pakistan. Future research needs to consider capital flows and exchange rate regimes in the form of ‘Sudden Stop hypothesis’ when investigating the asymmetric impact of exchange rate.

Date: 2019
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DOI: 10.1080/1331677X.2019.1653213

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