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Table 7 Frequency of shocked companies within stressed and control groups at different shock levels. Results are shown separately for stressed customers, suppliers and bidirectional partners in the first and second years following the original shock event. We provide sample sizes (N), frequencies, and the results of \(\chi ^{2}\) tests with corresponding p-values

From: Companies under stress: the impact of shocks on the production network

Stress level drop in sales (%)

Edge type

Year

N

Shocked (%) control

Shocked (%) stressed

\(\chi ^{2}(\mathrm{Df} =1)\)

p-value

20

customers

1

1488

26.95

19.82

4.75e + 01

5.48e − 12

25

customers

1

1419

20.65

16.98

1.35e + 01

2.37e − 04

30

customers

1

1396

16.40

12.89

1.53e + 01

9.11e − 05

35

customers

1

1335

11.61

8.54

1.61e + 01

5.94e − 05

40

customers

1

1244

9.16

6.91

9.79e + 00

1.75e − 03

45

customers

1

1131

7.16

5.92

3.11e + 00

7.78e − 02

50

customers

1

970

5.67

4.23

4.99e + 00

2.55e − 02

55

customers

1

819

4.27

2.56

9.58e + 00

1.97e − 03

60

customers

1

674

3.71

2.08

8.83e + 00

2.97e − 03

65

customers

1

552

3.44

1.63

1.13e + 01

7.77e − 04

70

customers

1

484

3.10

1.03

2.02e + 01

6.94e − 06

75

customers

1

386

2.07

0.78

8.40e + 00

3.76e − 03

80

customers

1

292

0.34

0.34

0.00e + 00

1.00e + 00

20

customers

2

1488

17.54

13.91

1.64e + 01

5.23e − 05

25

customers

2

1419

15.01

10.01

3.94e + 01

3.37e − 10

30

customers

2

1396

12.54

7.67

4.68e + 01

7.85e − 12

35

customers

2

1335

10.64

6.07

4.89e + 01

2.69e − 12

40

customers

2

1244

8.52

6.27

1.07e + 01

1.06e − 03

45

customers

2

1131

6.90

4.51

1.50e + 01

1.09e − 04

50

customers

2

970

5.98

4.43

5.48e + 00

1.93e − 02

55

customers

2

819

5.13

3.17

1.02e + 01

1.43e − 03

60

customers

2

674

4.90

2.23

2.21e + 01

2.60e − 06

65

customers

2

552

4.17

2.35

7.88e + 00

5.00e − 03

70

customers

2

484

3.93

2.69

2.85e + 00

9.16e − 02

75

customers

2

386

3.89

1.55

1.37e + 01

2.13e − 04

80

customers

2

292

2.06

0.00

20

suppliers

1

1399

19.37

17.80

2.36e + 00

1.24e − 01

25

suppliers

1

1360

14.12

11.77

7.25e + 00

7.08e − 03

30

suppliers

1

1292

11.84

11.53

1.21e − 01

7.28e − 01

35

suppliers

1

1206

9.95

8.46

3.47e + 00

6.25e − 02

40

suppliers

1

1086

8.20

6.26

6.92e + 00

8.53e − 03

45

suppliers

1

967

6.41

4.55

7.71e + 00

5.48e − 03

50

suppliers

1

861

5.23

4.53

9.67e − 01

3.25e − 01

55

suppliers

1

748

3.61

2.81

1.76e + 00

1.84e − 01

60

suppliers

1

641

2.65

1.87

2.12e + 00

1.45e − 01

65

suppliers

1

558

1.61

1.97

3.71e − 01

5.42e − 01

70

suppliers

1

476

1.47

2.31

1.49e + 00

2.22e − 01

75

suppliers

1

408

1.23

2.45

2.56e + 00

1.09e − 01

80

suppliers

1

302

0.66

2.65

4.62e + 00

3.16e − 02

20

suppliers

2

1399

15.08

11.65

1.60e + 01

6.34e − 05

25

suppliers

2

1360

11.69

8.75

1.47e + 01

1.24e − 04

30

suppliers

2

1292

11.38

7.12

3.54e + 01

2.68e − 09

35

suppliers

2

1206

9.37

5.14

4.42e + 01

2.93e − 11

40

suppliers

2

1086

7.37

4.97

1.32e + 01

2.84e − 04

45

suppliers

2

967

6.21

3.10

3.10e + 01

2.63e − 08

50

suppliers

2

861

5.23

3.37

9.14e + 00

2.51e − 03

55

suppliers

2

748

3.74

2.81

2.40e + 00

1.21e − 01

60

suppliers

2

641

3.12

2.34

1.71e + 00

1.91e − 01

65

suppliers

2

558

2.33

1.61

1.81e + 00

1.79e − 01

70

suppliers

2

476

2.10

2.31

9.31e − 02

7.60e − 01

75

suppliers

2

408

1.96

1.72

1.45e − 01

7.03e − 01

80

suppliers

2

302

0.99

0.66

5.03e − 01

4.78e − 01

20

bidirectional

1

265

17.74

18.87

2.22e − 01

6.38e − 01

25

bidirectional

1

254

13.39

14.96

4.95e − 01

4.82e − 01

30

bidirectional

1

243

11.52

9.88

7.40e − 01

3.90e − 01

35

bidirectional

1

221

12.67

4.53

3.39e + 01

5.70e − 09

40

bidirectional

1

222

11.71

4.05

3.35e + 01

7.24e − 09

45

bidirectional

1

194

8.76

3.61

1.48e + 01

1.18e − 04

50

bidirectional

1

167

7.19

1.80

2.75e + 01

1.58e − 07

55

bidirectional

1

142

6.34

1.41

2.49e + 01

6.20e − 07

60

bidirectional

1

126

5.56

2.38

5.46e + 00

1.94e − 02

65

bidirectional

1

105

3.81

1.91

2.04e + 00

1.53e − 01

70

bidirectional

1

96

4.17

3.12

3.44e − 01

5.57e − 01

75

bidirectional

1

78

3.85

5.13

2.64e − 01

6.08e − 01

80

bidirectional

1

65

3.08

0.00

20

bidirectional

2

265

21.13

9.06

4.69e + 01

7.41e − 12

25

bidirectional

2

254

17.32

6.30

5.23e + 01

4.78e − 13

30

bidirectional

2

243

16.05

6.17

4.09e + 01

1.58e − 10

35

bidirectional

2

221

13.57

4.53

4.19e + 01

9.63e − 11

40

bidirectional

2

222

9.91

3.15

3.32e + 01

8.36e − 09

45

bidirectional

2

194

7.73

3.09

1.39e + 01

1.90e − 04

50

bidirectional

2

167

7.19

4.19

3.73e + 00

5.35e − 02

55

bidirectional

2

142

5.63

3.52

1.87e + 00

1.72e − 01

60

bidirectional

2

126

4.76

0.00

65

bidirectional

2

105

2.86

0.00

70

bidirectional

2

96

2.08

1.04

1.01e + 00

3.15e − 01

75

bidirectional

2

78

2.56

1.28

1.01e + 00

3.14e − 01

80

bidirectional

2

65

1.54

3.08

5.16e − 01

4.73e − 01