Research Article

How Energy Sector Reacted to COVID-19 Pandemic? Empirical Evidence from an Emerging Market Economy

Table 5

The outcomes of the Kwiatkowski–Phillips–Schmidt–Shin unit root test.

VariablesLevel1st difference
LM-stat.LM-stat.

BET-NG0.123170.10802
SNG0.051320.27447
EL0.073580.22224
TGN0.335890.09240
TEL0.095700.03197
EEX-B0.264770.10671
EEX-P0.254600.10521
APX0.300140.14376
LNGI0.068380.33024
D (CNW)0.119720.09233
CNE1.172860.13543

Source: author’s own work. Notes: null hypothesis: each series is stationary. Intercept included in test equation. Asymptotic critical values: 1% level: 0.739000; 5% level: 0.463000; 10% level: 0.347000. For the definition of variables, please see Table 2.