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Table 8 Cointegration test results 2000 to 2021 data

From: Effects of crude oil prices on copper and maize prices

Trace test

Maximum eigenvalue test

H0

H1

Statistic

5% critical value

H0

H1

Statistic

5% critical value

r = 0

r ≥ 1

27.4408

29.7971

r = 0

r ≥ 1

12.5546

21.1316

r ≤ 1

r ≥ 2

14.8861

15.4947

r ≤ 1

r ≥ 2

11.6288

14.2646

r ≤ 2

r ≥ 3

3.2573

3.8415

r ≤ 2

r ≥ 3

3.2573

3.8415

  1. Trace test specifies no cointegration relationship (at p = 0.05)
  2. Max-eigenvalue test confirms no cointegration relationship (at p = 0.05)
  3. *Means rejection of the hypothesis (at p = 0.05)