“…Next, we apply a threshold regression model proposed by Hansen (1999Hansen ( , 2000 to attain the goal of this paper. The panel thresholds model is widely used (see, for example, Narayan, and Sharma, 2011;Noor et al, 2014;Surjaningsih et al, 2014). It produces more satisfactory outcome as compared to "cross-sectional" and "time-series models" (Hajamini and Falahi, 2018).…”