Table 4 NARDL results for \({T}_{{en}}\sim {T}_{{economy}}\).

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

Residuals

Min

1Q

Median

3Q

Max

−1.16441

−0.03785

0.06075

0.11825

0.28425

Coefficients

 

Estimate

Std. Error

t-value

p-value

Const.

2.322538

0.181484

12.797

\(< 2\times {10}^{-16}\)

\({T}_{e{n}_{1}}\)

−1.073522

0.081225

−13.217

\(< 2\times {10}^{-16}\)

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

−0.003276

0.104819

−0.031

0.975

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

−0.001675

0.105033

−0.016

0.987

Residual Std. Err.:

0.2325

R-squared:

0.5365 (Multiple)

0.5273 (Adjusted)

F-Statistic:

58.25

p-value:

\(< 2\times {10}^{-16}\)

 

Model Diagnostic Test

 

JB test

LM test

ARCH test

 

Statistic

0.796821

0.02374109

0.5019323

 

p-value

\(2.13\times {10}^{-13}\)

0.90267410

0.4786523

 

Short Run Asymmetry Test

W-Statistic:

0.05107248

 

p-value:

0.9747871

Cointegration Test

155 Observations

 

2 Regressors

 

3 Cases

F-Statistic:

58.253966

   

Long Run Coefficients

 

Estimate

Std. Error

t-value

p-value

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

−0.0030513

0.0976446

−0.0312

0.9751

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

−0.0015604

0.0978417

−0.0159

0.9873

Long Run Asymmetry Test

W-Statistic:

0.04431647

p-value:

0.9780855