Table 3 NARDL results for \({T}_{{mp}}\sim {T}_{{economy}}\).

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

Residuals

Min

1Q

Median

3Q

Max

−0.194203

−0.007364

0.004721

0.014349

0.079371

Coefficients

 

Estimate

Std. Error

t-value

p-value

Const.

0.231614

0.061170

3.786

0.000224

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

−0.319050

0.082371

−3.873

0.000162

\({T}_{m{p}_{2}}\)

0.071487

0.083940

0.852

0.395826

\({T}_{{econom}{y}_{p}}\)

0.043277

0.026990

1.603

0.111026

\({T}_{{econom}{y}_{p1}}\)

−0.055736

0.034981

−1.593

0.113277

\({T}_{{econom}{y}_{p2}}\)

0.019531

0.035259

0.554

0.580480

\({T}_{{econom}{y}_{p3}}\)

−0.001492

0.026479

−0.056

0.955138

\({T}_{{econom}{y}_{n}}\)

−0.00926

0.10624

−0.087

0.931

Residual Std. Err.:

0.0345

R-squared:

0.1659 (Multiple)

0.1254 (Adjusted)

F-Statistic:

4.092

p-value:

0.0003989

 

Model Diagnostic Test

 

JB test

LM test

ARCH test

 

Statistic

0.855153

0.3343434

5.3470860

 

p-value

\(6.23\times {10}^{-11}\)

0.7741277

0.0690073

 

Short Run Asymmetry Test

W-Statistic:

1.762339

 

p-value:

0.4142981

Cointegration Test

155 Observations

 

2 Regressors

 

3 Cases

F-Statistic:

4.09153

   

Long Run Coefficients

 

Estimate

Std. Error

t-value

p-value

\({T}_{m{p}_{2}}\)

0.224062

0.225936

0.9917

0.3213

\({T}_{{econom}{y}_{p}}\)

0.135644

0.092734

1.4627

0.1435

\({T}_{{econom}{y}_{p1}}\)

−0.174695

0.123331

−1.4165

0.1566

\({T}_{{econom}{y}_{p2}}\)

0.061216

0.113556

0.5391

0.5898

\({T}_{{econom}{y}_{p3}}\)

−0.004677

0.083091

−0.0563

0.9551

\({T}_{{econom}{y}_{n}}\)

0.015462

0.055050

0.2809

0.7788

Long Run Asymmetry Test

W-Statistic:

17.31298

p-value:

0.000174