Skip to main content

Table 8 Forecast error variance decomposition results

From: Reaction of stock market returns to COVID-19 pandemic and lockdown policy: evidence from Nigerian firms stock returns

Response variable

Forecast horizon

Impulse variable

Exchange rate

Total cases

Stock market returns

Model one

Exchange rate

1

1.0000

0.0000

0.0000

2

0.9904

0.0012

0.0084

5

0.9895

0.0012

0.0093

10

0.9895

0.0012

0.0093

Total cases (Nigeria)

1

0.0108

0.9892

0.0000

2

0.0138

0.9862

2.47e-06

5

0.0142

0.9857

0.0001

10

0.0143

0.9857

0.0001

Stock market returns

1

3.48e-06

0.0002

0.9998

2

0.0014

0.0227

0.9759

5

0.0016

0.0239

0.9745

10

0.0016

0.0239

0.9745

Model two

Exchange rate

1

1.0000

0.0000

0.0000

2

0.9954

0.0037

0.0009

5

0.9903

0.0044

0.0053

10

0.9850

0.0051

0.0099

Total Deaths (Nigeria)

1

0.0127

0.9873

0.0000

2

0.0338

0.6887

0.2775

5

0.0266

0.4664

0.5070

10

0.0182

0.3613

0.6205

Stock market returns

1

0.0001

0.1347

0.8652

2

0.0002

0.1358

0.8640

5

0.0002

0.1365

0.8633

10

0.0002

0.1367

0.8631

Model three

Exchange rate

1

1.0000

0.0000

0.0000

2

0.9919

0.0019

0.0062

5

0.9906

0.0020

0.0074

10

0.9906

0.0020

0.0074

Total cases (world)

1

0.0029

0.9971

0.0000

2

0.1330

0.8625

0.0046

5

0.1291

0.8610

0.0099

10

0.1297

0.8604

0.0100

Stock market returns

1

0.00001

0.0125

0.9875

2

0.0042

0.0233

0.9725

5

0.0047

0.0289

0.9663

10

0.0048

0.0292

0.9660

Model four

Exchange rate

1

1.0000

0.0000

0.0000

2

0.9909

0.0025

0.0066

5

0.9894

0.0027

0.0079

10

0.9892

0.0028

0.0080

Total Deaths (World)

1

0.0086

0.9914

0.0000

2

0.1073

0.8790

0.0137

5

0.1037

0.8723

0.0240

10

0.1048

0.8706

0.0246

Stock market returns

1

0.00005

0.0154

0.9845

2

0.0046

0.0267

0.9687

5

0.0056

0.0359

0.9585

10

0.0058

0.0370

0.9573

Model five

Exchange rate

1

1.0000

0.0000

0.0000

2

0.9965

0.0003

0.0032

5

0.9956

0.0003

0.0040

10

0.9956

0.0003

0.0041

Stringency index

1

0.0036

0.9964

0.0002

2

0.0125

0.9872

0.0003

5

0.0157

0.9840

0.0003

10

0.0158

0.9839

0.0003

Stock market returns

1

0.0014

0.0002

0.9984

2

0.0094

0.0003

0.9903

5

0.0122

0.0003

0.9876

10

0.0122

0.0003

0.9875

  1. Computed by the authors