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. 2019 May 9;26(19):19389–19402. doi: 10.1007/s11356-019-05269-w

Table 3.

Cointegration tests’ results

Bounds test Engle-Granger test
19.567*** − 5.682**

Bounds test stands for the Pesaran’s ARDL–based F test and Engle-Granger test stands for FMOLS–based Engle-Granger test. Triple asterisk and double asterisk stand for cointegration at 1% and 5% significance level, respectively. Since we have a small sample size in the Bounds test, we used Narayan (2005) critical values