Table 7 NARDL results for \({T}_{{mp}}\sim {T}_{{politics}}\).

From: The impact of social media discourse on financial performance of e-commerce companies listed on Borsa Istanbul

Residuals

Min

1Q

Median

3Q

Max

−0.197880

−0.010480

0.006066

0.016639

0.067410

Coefficients

 

Estimate

Std. Error

t-value

p-value

Const.

0.2705508

0.0565719

4.782

\(4.19\times {10}^{-6}\)

\({T}_{m{p}_{1}}\)

−0.2843992

0.0584271

−4.868

\(2.9\times {10}^{-6}\)

\({T}_{{politic}{s}_{p}}\)

0.0584618

0.0278109

2.102

0.0373

\({T}_{{politic}{s}_{p1}}\)

−0.0299257

0.0278346

−1.075

0.2841

\({T}_{{politic}{s}_{n}}\)

0.0001869

0.0260404

0.007

0.9943

\({T}_{{politic}{s}_{n1}}\)

0.0193990

0.0338971

0.572

0.5680

\({T}_{{politic}{s}_{n2}}\)

0.0084233

0.0270003

0.312

0.7555

Residual Std. Err.:

0.0346

R-squared:

0.1702 (Multiple)

0.1361 (Adjusted)

F-Statistic:

4.99

p-value:

0.0001118

 

Model Diagnostic Test

 

JB test

LM test

ARCH test

 

Statistic

0.867349

0.7313580

4.02872288

 

p-value

\(2.06\times {10}^{-10}\)

0.5495902

0.04473179

 

Short Run Asymmetry Test

W-Statistic:

2.093584

 

p-value:

0.3510622

Cointegration Test

153 Observations

 

2 Regressors

 

3 Cases

F-Statistic:

4.98985

   

Long Run Coefficients

 

Estimate

Std. Error

t-value

p-value

\({T}_{{politic}{s}_{p}}\)

0.20556252

0.10886970

1.8882

0.05901

\({T}_{{politic}{s}_{p1}}\)

−0.10522428

0.10400319

−1.0117

0.31166

\({T}_{{politic}{s}_{n}}\)

0.00065711

0.09154390

0.0072

0.99427

\({T}_{{politic}{s}_{n1}}\)

0.06821036

0.12071849

0.5650

0.57205

\({T}_{{politic}{s}_{n2}}\)

0.02961803

0.09483272

0.3123

0.75480

Long Run Asymmetry Test

W-Statistic:

25.88412

p-value:

0.000174

\(2.4\times {10}^{-6}\)