Table 2.

Chow test for the period 16 March, 26 March and 16–26 March 2020.

	BTI			DGH
	16 March 2020	26 March 2020	16–26 March 2020	16 March 2020	26 March 2020	16–26 March 2020
F statistics	2.135	3.268**	4.159***	0.132	2.712*	2.669**
Log likelihood	4.303	6.556**	16.486***	0.268	5.453*	10.703**
Wald statistic	4.270	6.536**	16.635***	0.263	5.424*	10.672**

Sig at *10%, **5%, ***1%.