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Table 8 Panel cointegration test

From: The impact of food insecurity on health outcomes: empirical evidence from sub-Saharan African countries

Models

Values

Westerlund [98] tests for only target variables

Banerjee and Carrion-i-Silvestre [104] –for all variables in the model

Critical values

Gt

Ga

Pt

Pa

Levels Statistic

10%

5%

1%

Model1A

Z-value

-34.004*** (0.000)

-1.463* (0.072)

-74.878*** (0.000)

-34.439*** (0.000)

-4.062***

-2.03

-2.11

-2.25

Bootstrap P-value

0.000***

0.000***

0.000***

0.000***

Model 1B

Z-value

-34.708*** (0.000)

-4.303*** (0.000)

-52.636*** (0.000)

-37.899*** (0.000)

-4.212***

Bootstrap P-value

0.000***

0.000***

0.000***

0.000***

Model 1C

Z-value

6.958 (1.000)

7.497 (1.000)

3.508 (1.000)

4.582 (1.000)

-2.907***

Bootstrap P-value

0.990

0.990

0.440

0.380

Further cointegration tests ( Model 1C)

 

DOLS residuals

Included variables

Unit root test

Statistic

p-value

   

between target variables

IPS

t-bar

-1.5321

0.9509

-1.82

-1.73

-1.69

t-tilde-bar

-1.1501

Z-t-tilde-bar

1.6541

All variables in the model

IPS

t-bar

-1.2116

0.9984

t-tilde-bar

-0.9728

Z-t-tilde-bar

2.9494

Pedroni [109] cointegrtaion test (Model 1D)

Test

Statistics

p-value

Within-dimension

Modified variance ratio

-8.1614***

0.0000

Modified Phillips-Perron t

2.7529***

0.0030

Phillips-Perron t

-6.0649***

0.0000

Augmented Dickey-Fuller t

-5.0621***

0.0000

Between-dimension

Modified Phillips-Perron t

5.9229***

0.0000

Phillips-Perron t

-2.2026**

0.0138

Augmented Dickey-Fuller t

-2.0690**

0.0193

  1. Source: Computed by the author using STATA 15
  2. P-values in parentheses
  3. *** p < 0.01
  4. ** p < 0.05
  5. * p < 0.1