Unit root tests

Stationarity test

Linear unit root tests

KSS [6] test

Breitung’s Nonparametric tests

Bierens-Guo trend

stationarity test

ADF test

(P-values)

PP test

(P-values)

t-stat

P-value

Test

Test 1

Test 2

I. Primary Articles

−1.2217

0.1109

0.02306

15.0308

18.0376

(A) Food Articles

−1.3009

0.0966

0.02270

12.6386

320.0301

a. Food Grains (Cereals + Pulses)

−1.1968

0.1157

0.01928

81.3126

8.3621

a1. Cereals

−1.3373

0.0906

0.01969

58.4972

7.8660

Bajra

−2.4044

0.0081

0.011

10.9487

5.1238

Barley

−4.0544

0

0.00601

5.6263

4.4286

0.0140

0.0660

Jowar

−3.0431

0.0012

0.01156

12.1872

4.7419

0.0330

0.1130

Maize

−1.9227

0.0273

0.01721

10.6492

35.6181

Ragi

0.2056

0.5814

0.01682

20.7885

27.8504

Rice

−1.0113

0.1559

0.02048

46.7035

9.8390

Wheat

−2.6879

0.0036

0.01154

15.9270

2.4595

0.0240

0.3090

a2. Pulses

−2.3255

0.01

0.01253

58.2514

5.0629

0.0340

0.4430

Arhar

−2.3499

0.0094

0.00911

11.0468

2.6705

Gram

−1.9827

0.0237

0.00695

29.0935

4.1062

Masur

−2.0709

0.0192

0.00724

0.0652

0.0081

0.0110

0.3450

Moong

−2.3184

0.0102

0.01037

29.3658

5.1612

Urad

−2.0618

0.0196

0.01007

56.9594

6.2944

0.0020

0.3390

b. Fruits & Vegetables

−0.877

0.1903

0.00643

1.0652

1.5593

0.1460

0.0000

b1. Fruits

−1.6928

0.0453

0.00789

2.4234

0.9268

0.1370

0.0140

Banana

−4.4858

0

0.00337

1.6146

0.7806

0.1430

0.0010

Coconut (Fresh)

−2.6094

0.0045

0.00495

1.4329

0.2060

Cashew Nut

−2.3931

0.0084

0.01538

23.0630

8.8511

0.7903

0.5950

Guava

−2.4503

0.0071

0.00895

3.6137

23.6053

Orange

−2.6083

0.0045

0.00991

5.5784

3.0918

Papaya

−3.4567

0.0003

0.00239

0.6742

2.3274

Pineapple

−2.323

0.0101

0.01367

3.5740

3.0414

b2. Vegetables

−7.0736

0

0.00221

0.8718

7.6562

Brinjal

−7.0445

0

0.00155

0.6264

1.0506

Cabbage

−6.9899

0

0.00315

2.1872

3.8007

0.0710

0.0050

Ginger (Fresh)

−2.788

0.0027

0.00547

1.7442

26.4015

Okra (Lady Finger)

−4.8037

0

0.00667

2.3131

19.6967

Onion

−7.4017

0

0.00093

0.4111

1.2879

Potato

−5.9301

0

0.00177

0.7280

1.3519

Sweet Potato

−5.5793

0

0.00091

0.3976

0.5084

Tapioca

−2.5551

0.0053

0.01241

10.4595

4.1937